.swiper-container {
  width: 100%;
  height: 100%;
}
.teacher-rightmb{
    display: none;
}
.tong-onmb{
    display: flex;
}
.line1mb{
    padding-bottom: 40px;
}
.muc-tieumb{
    padding-left: 15px !important;
}
.line2mb{
    border-radius: 12px;
}
.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;

  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}
.owl-prev span{
        color: #bcbcbc;
}
.owl-next span{
        color: #bcbcbc;
}
#countdown-wr .countdown {
    display: block;
}
.countdown {

    position: relative;
    margin-top: 40px;
}

.flex {
    display: flex;
}
.title_time {
    font-weight: 800;
    font-size: 35px;
    color: #555555;
}
.secs{
    font-size: 50px;
}
.secs-title{
    margin-bottom: 10px;
}
.title-box-teacher img{
    width: 8%;
    margin-left: 30px;
}
.title-box-teacher{
    display: flex;
    justify-content: center;
    color: #1f57f3;
    font-size: 38px;
    text-align: center;
    font-weight: 900;
    line-height: 1.3;
    font-family: 'Baloo2';
    margin-bottom: 36px;
    padding-top: 10px;
}
.title-box-teacher p{
text-shadow: rgb(255, 255, 255) 2px 0px 0px, rgb(255, 255, 255) 1.75517px 0.958851px 0px, rgb(255, 255, 255) 1.0806px 1.68294px 0px, rgb(255, 255, 255) 0.141474px 1.99499px 0px, rgb(255, 255, 255) -0.832294px 1.81859px 0px, rgb(255, 255, 255) -1.60229px 1.19694px 0px, rgb(255, 255, 255) -1.97998px 0.28224px 0px, rgb(255, 255, 255) -1.87291px -0.701566px 0px, rgb(255, 255, 255) -1.30729px -1.5136px 0px, rgb(255, 255, 255) -0.421592px -1.95506px 0px, rgb(255, 255, 255) 0.567324px -1.91785px 0px, rgb(255, 255, 255) 1.41734px -1.41108px 0px, rgb(255, 255, 255) 1.92034px -0.558831px 0px;
}
/*.title-box-teacher p{
    text-shadow: 4px -2px 3px #ffffff;
}*/
.tuduy-logic1 h4{
        line-height: 1.3;
}
.tuduy-logic1 img{
    width: 90%;
    left: 29px;
    top: 6px;
    position: relative;
}
.phantich1 img{
    width: 9%;
}
.title-box-teachermb{
    display: none;
}
.owl-dots{
    display: none;
}
#teacher:before{
    content: '';
    /*background-color: #d1d6f5;*/
    background-position: center;
    bottom: 365px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 100%;
    height: 100%;
    z-index: -1;
    position: absolute;
    margin-bottom: 665px;
}
#teacher{
  background-image: url(../images/bg-layout3.png);
    background-position: top left, top right , bottom center;
    background-repeat: no-repeat;
    background-size: 100% 50%;
    padding-top: 40px;
    padding-bottom: 60px;
   /*height: 1820px;*/
    position: relative;
    background-color: #ffff;
}
.last-teacher{
    justify-content: center;
    text-align: center;
}
#the-final-countdown{
    justify-content: center;
}
.line2-last strong{
    color: #f6ff00;
}
.foo-last img{
    max-width: 100%;
    margin-top: 90px;
}
.image-new2 p{
    text-transform: capitalize;
    font-size: 21px;
    font-weight: 400;
    margin: 15px;
    padding: 15px 0px 15px 31px;
    border: 1px solid;
    border-style: dashed;
    line-height: 2;
    text-align: left;
    margin-right: 70px;}
.line2-lyteacher{
    text-transform: initial;
    line-height: 1.8;
    font-size: 23spx;
    font-family: inherit;
    font-weight: 400;
    text-align: center;
}
.border-dashed{
    margin-left: 81px;
}
.image-new2 {
    position: relative;
}
.img-new2{
    background: url(../images/new.png) no-repeat;
    position: absolute;
    width: 100px;
    height: 54px;
    transform: translateY(-50%);
    left: -29px;
    background-size: 82% 100%;
}

#teacher:after{
    content: '';
    /* background: url(../images/border-bottom-teacher.png) no-repeat; */
    background-color: #f2f2f2;
    background-position: center;
    bottom: 4px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 100%;
    height: 100%;
    /* top: -69px; */
    z-index: -85;
    position: absolute;
}

#contentteacher{
    /*margin-top: -216px;*/
}

.subject-nav-tabs{
    margin-left: 0;
    padding-left: 0;
}

.subject-nav-tabs li{
    display: inline-block;
    position: relative;
    /*padding-top: 6px;*/
}
.subject-nav-tabs .active{
    /*padding: 0px 102px;*/
    text-decoration-line: underline;
}
.title-sub .active {
    /* padding: 0px 102px; */
    color: #007aff !important;
    text-decoration-line: underline;
}
.title-sub .active li a {
    color: #007aff !important;
}
.subject-nav-tabs li a{
    text-align: center;
    display: block;
    height: 45px;
    line-height: 50px;
    font-weight: 900;
    color: #fff;
    font-size: 18px;
    border-radius: 10px
}

.subject-nav-tabs-div{
    text-align: right;
    padding-bottom: 0px;
}

.subject-nav-tabs{
    background: #ff8164;
    margin-bottom: 0;
    /*border-radius: 12px;*/
    padding: 10px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 90px;
    /*box-shadow: -3px 4px 13px #373030*/
}

.subject-nav-tabs li a:hover,.subject-nav-tabs li a:focus{
    text-decoration: underline;
    color: #007aff;
}
.title-sub{
         padding: 3px 18px 0px 18px;
}
.su-dung-nn{
    background-color: #ffff;
    width: 20%;
    position: relative;
    justify-content: center;
    text-align: center;
    padding-bottom: 15px;
    border-radius: 20px;
    box-shadow: -3px 4px 13px #373030;
}
.su-dung-nn1{  
    background-color: #1893f2;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    color: #ffff;
    font-size: 21px;
    font-weight: 800;
    padding-top: 5px;
    padding-bottom: 15px;
}
.tuduy-logic{
    background-color: #ffff;
    width: 36%;
    position: relative;
    justify-content: center;
    text-align: center;
    padding-bottom: 15px;
    border-radius: 20px;
    box-shadow: -3px 4px 13px #373030;
}
.tuduy-logic1{  
    background-color: #e33dae;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    color: #ffff;
    font-size: 21px;
    font-weight: 800;
    padding-top: 5px;
    padding-bottom: 15px;
}
.phantich{
    background-color: #ffff;
    width: 39%;
    position: relative;
    justify-content: center;
    text-align: center;
    padding-bottom: 15px;
    border-radius: 20px;
    box-shadow: -3px 4px 13px #373030;
}
.phantich1{  
    background-color: #8440e1;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    color: #ffff;
    font-size: 21px;
    font-weight: 800;
    padding-top: 5px;
    padding-bottom: 15px;
}
.wapper-tab-teacher{
    margin: 0 auto;
    border-radius: 8px;
    z-index: 1;
    background-color: white;
    /* -webkit-box-shadow: 0px 4px 20px -3px rgba(0,0,0,0.34);
    -moz-box-shadow: 0px 4px 20px -3px rgba(0,0,0,0.34);
    box-shadow: 0px 4px 20px -3px rgba(0,0,0,0.34); */
}
.title-sub .active{
     color: #1e27de !important;
}
.dis-su{
    left: -30%;
}
.dis-dia{
    left: -153px;
}
.subject-nav-tabs li .active a {
     color: #1e27de;
}
.title-sub .active a{
    color: #1e27de;
}
.subject-nav-tabs li.active::before{
    content: "";
    display: block;
    /*background-color: #fff;*/
    width: 16px;
    height: 16px;
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
}
.teacher-left{
    float: left;
    width: 35%;
    position: relative;
 /*   margin-top: -155px;
    margin-left: -55px;*/
}

.border-unset{
    border-left: unset !important;
    border-right: unset !important;
    border-top: unset !important;
}
.teacher-left div{
    padding: 0;
    width: 100%;
    line-height: 1.5;
}
.title-item-teacher{
    text-align: center;
    text-transform: uppercase;
    color: #56d86c;
    font-size: 16px;
    font-family: 'Roboto';
    font-weight: 900;
}
.name-item-teacher{
    font-family: 'Roboto';
    font-weight: 900;
    text-align: center;
    text-transform: uppercase;
}
.teacher-right{
    float: left;
    width: 65%;
}
.teacher-right1{
    margin-top: 40px;
    width: 100%;
}

.teacher-name-tab-content{
    background: #FFFFff;
    padding-top: 30px;
    padding-left: 25px;
    padding-right: 25px;
    position: relative;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    box-shadow: -1px 8px 11px #b4b4b4;
}

.hastabs-teacher span{
    color: #ff0000;
    font-family: 'Roboto';
    font-size: 16px;
}

.content-teacher-des{
    font-family: 'Roboto';
    font-style: italic;
    font-size: 16px;
    color: #000000;
}

.teacher-des{
    margin-bottom: 28px;
    position: relative;
    display: none;
}

.big-title-teacher-des {
    color: #333333;
    font-weight: bold;
    font-size: 20px;
    text-align: center;
    line-height: 1.4;
    text-transform: uppercase;
    max-width: 752px;
    margin: 0 auto;
    margin-bottom: px;
}
.line2-big-title-teacher-des{
    color: #ef3c3f;
}
.teacher-toan-image img{
    position: relative;
    padding: 0 24px;
    filter: drop-shadow(0 5px 5px rgba(0,0,0,.2));
}
.line1-big-title-teacher-des {
    font-size: 22px;
    color: #ff2323;
    font-weight: bolder;
    padding-bottom: 10px;
}
.teacher-toan-image img{
    margin: 0 auto;
    margin-top: -115px;
}
.wapper-big-teacher{
    height: 145px;
    left: 0;
    right: 0;
    margin: -50px 0px 0 20px;
    padding-top: 0px;
    background-size: 100%;
    position: relative;
}

.group-big-teacher,.name-big-teacher{
    text-align: center;
    text-transform: capitalize;
    color: #414d92;
    font-size: 30px;
    font-weight: 900;
}
.group-big-teacher{
    margin-bottom: 5px;
}
.name-big-teacher{
    margin-bottom: 20px;
}
.desc-big-teacher{
    color: #333333;
    font-size: 24px;
    line-height: 1.4;
    position: relative;
    z-index: 1;
    font-family: auto;
    font-weight: 350;
    text-transform: initial;
    text-align: left;
    width: 92%;
}
.list-des-teacher{
    margin-bottom: 30px;
}

.title-list-des-teacher{
    text-align: center;
    color: #012e91;
    font-size: 24px;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.list-des-teacher ul{
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-flow: row wrap;
    flex-flow: row wrap;
    justify-content: center;
}
.title-table{
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
}
.tong-on1{
    background-color: #4a6aad;
}
.luyen-de1{
    background-color: #ffa21e;
}
.list-des-teacher ul li{
    width: 30%;
    border: 0.5px solid #b3b3b7;
    padding: 19px 10px 19px;
    color: #3d3d3d;
    font-size: 16px;
    text-align: center;
    /*margin: 0 10px;*/
    /*border-radius: 10px;*/
    position: relative;
    line-height: 1.2;
}
.img-teach {
   display: flex;
    /* float: left; */
    margin-top: 55px;
    margin-bottom: -8px;
    justify-content: center;
}
.list-des-teacher ul li::before {
    content: "";
    display: block;
    /*background-image: url(../images/nine.png);*/
    background-repeat: no-repeat;
    width: 145px;
    height: 45px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}
.title-item-list-des-teacher{
    color: #ffffff;
    font-size: 25px;
    font-weight: bold;
    text-transform: inherit;
    position: relative;
    z-index: 1;
}
.bottom-unset{
    border-bottom: unset !important;
}
.top-unset{
    border-top: unset !important;
}
.muc-tieu strong{
    position: relative;
    top: 50%;
}
.display-flex{
    display: flex;
    justify-content: center;
    line-height: 1.6;
    position: relative;
    top: 27%;
}
.img2{
    position: absolute;
    top: 28%;
    left: 80%;
}
.img1{ 
    position: absolute;
    top: 26%;
    left: 12%;
}
.content-item-list-des-teacher{
    color: black;
    font-size: 17px;
    line-height: 1.5;
    /* padding-left: 20px; */
    /* padding-right: 20px; */
    text-align: left;
    margin-left: 10px;
}
.wapper-big-teacher::before {
    content: "";
    background-image: url(../images/qt.png);
    background-repeat: no-repeat;
    display: block;
    position: absolute;
    bottom: 45px;
    width: 70px;
    height: 60px;
    background-size: 100% 100%;
}
.list-des-teacher ul li b{
    font-weight: bold;
}
.cta-teacher-mobile{
    display: none;
}

.cta-box-teacher{
    text-align: center;
    margin-top: 40px;
    margin-bottom: 50px;

}
.cta-free-lay3{
    background-color: #009512 !important;
}
.cta-datcho{
    background: #fe4b4b !important;
}
.title-luyen{
    text-align: center;
    font-size: 34px;
    color: #ab1313;
    margin-bottom: 35px;
    font-weight: 900;
    margin-top: -20px;
}
.cta-box-teacher a{
    min-width: 200px;
    display: inline-block;
    margin: 0 8px;
    color: #FFFFff;
    font-weight: 900;
    border-radius: 16px;
    font-size: 20px;
    height: 64px;
    padding: 24px 32px;
    line-height: 1;
    text-transform: uppercase;
    -webkit-box-shadow: 0px 4px 20px -3px rgba(0,0,0,0.34);
    -moz-box-shadow: 0px 4px 20px -3px rgba(0,0,0,0.34);
    box-shadow: 0px 4px 20px -3px rgba(0,0,0,0.34);
    transition: 0.4s;
}
.cta-box-teacher a:hover{
    box-shadow: 0 20px 5px -10px rgba(0, 0, 0, 0.4);
    transform: translateY(10px);
}
.cta-teacher-hocthufree{
    background: #fe4b4b;

}

.cta-teacher-dk{
    background: #4b79fe;
}
.cta-teacher-dk:hover{
    box-shadow: 0 20px 5px -10px rgba(0, 0, 0, 0.4);
    transform: translateY(10px);
}
.teacher-name-nav-tab{
    text-align: center;
    display: inline-block;
}

.teacher-name-nav-tabs{
    /* text-align: center; */
    width: 38%;
    float: left;
    margin-top: -8px;
}
.beyonmb-img{
    display: none;
}

.tong-on{
    width: 38% !important;
}
.ogiua{
    width: 14% !important;
}
.luyen-de{
    width: 38% !important;
}
.teacher-name-nav-tab.active::before {
    content: "";
    background-image: url(../images/check.png);
    display: block;
    position: absolute;
     width: 17px;
    height: 17px;
    top: 4px;
    left: 60px;
}
/*.teacher-tabs-content::after{
    content: " ";
    background-image: url(../images/only-hocmai.png);
    display: block;
    position: absolute;
    width: 8%;
    height: 7%;
    right: 3%;
    top: 24%;
    background-size: 100% 100%;
}*/
.teacher-name-nav-tab img{
    transition: 0.2s ease;
    filter: grayscale(1);
}
.teacher-name-nav-tab {
    position: relative;
}
.teacher-name-nav-tab.active img{
    filter: grayscale(0);
}
.image-sm-teacher{
    border-radius: 5005px;
    width: 70px;
    height: 70px;
    overflow: hidden;
    border: solid 3px #FFE;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    margin-right: 10px;
}
.image-sm-teacher img{
   margin: 0 auto;
    position: relative;
    bottom: 2px;
    right: 3px;
    max-width: 113%;
}

.name-teacher-nav-list{
    font-weight: 900;
    font-size: 11px;
    color: #999999;
    text-transform: uppercase;
    margin: 0 25px;
    letter-spacing: 1px;
    position: relative;
}
li.teacher-name-nav-tab.active .name-teacher-nav-list {
    color: #ff8d8d;
}
li.teacher-name-nav-tab.active .name-teacher-nav-list:after {
    content: " ";
    height: 2px;
    background: #ff8d8d;
    position: absolute;
    bottom: -4px;
    width: 100%;
    left: 0;
    right: 0;
    margin: 0 auto;
}

.cta-teacher-mobile{
    text-align: center;
}
.cta-teacher-mobile a{
    min-width: 229px;
    display: inline-block;
    margin: 0 8px;
    color: #FFFFff;
    font-weight: 900;
    border-radius: 20px;
    font-size: 14px;
    height: 40px;
    padding: 14px 7px;
    /*line-height: 6px;*/
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 15px;
}

.wapper-cta-teacher-mobile{
    display: none;
}
.list-des-teacher-mobile{
    display: none;
}

.list-des-teacher-mobile li{
    position: relative;
}
.tong-onmb ul{
    border: 1px solid #333;
    padding: 10px;
}
.list-des-teacher-mobile li::before{
    content: "";
    display: block;
    /*background-image: url(../images/nine.png);*/
    background-repeat: no-repeat;
    width: 145px;
    height: 45px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}
.list-teacher {
    display: none;
    position: absolute;
    z-index: 999;
    width: 260px;
    background: #fff;
    padding: 20px;
    text-align: left;
    /*left: 100px;*/
    -webkit-box-shadow: 8px 6px 19px -10px rgba(0,0,0,0.47);
    -moz-box-shadow: 8px 6px 19px -10px rgba(0,0,0,0.47);
    box-shadow: 8px 6px 19px -10px rgba(0,0,0,0.47);
    margin-top: 8px;
    border: 1px solid #ddd;
    border-radius: 5px;
}
.item-list-teacher {
    color: #464646;
}
.list-teacher li a {
    font-size: 16px !important;
    display: block;
    background: none !important;
    color: #464646 ;
    text-align: left;
    line-height: 22px;
}

li[data-tab="xa-hoi"] .list-teacher{
    left: -107px;
}
@media only screen and (max-width: 1024px) {
    .title-item-list-des-teacher {
        margin-left: 45px;
        margin-right: 45px;
    }
}
@media only screen and (max-width: 996px) {
    .teacher-rightmb {
        display: block;
    }
    .foo-last img {
        max-width: 90%;
    }
    #teacher:before {
        bottom: 30px;
        z-index: -1;
        margin-bottom: 665px;
    }
    #teacher:after {
        content: '';
        background-color: #f2f2f2;
        bottom: -65px;
    }
    .big-title-teacher-des {
        font-size: 12px;
        padding-top: 12px;
        /*padding-bottom: 12px;*/
    }
    .desc-big-teacher {
        font-size: 14px;
        text-align: left;
        width: 96%;
    }
    .img-teach {
        padding-bottom: 10px;
    }
    .teacher-name-nav-tab.active::before {
        left: 43px;
    }
    .mt{
        padding-right:14px;
    }
    .foo-line{
        padding: 0px !important;
    }
    .foo-line li{
        padding: 10px;
    }
    .foo-line1{
        border-bottom: 1px solid #333;
    }
    .group-big-teacher, .name-big-teacher{
        font-size: 15px;
   }

    .teacher-rightmb{
        width: 100%;
        margin-top: -19px;
        float: left;
        margin-bottom: -54px;
    }
    .subject-nav-tabs-div {
        text-align: center;
    }
    .list-des-teacher-mobile{
        display: block;
    }
    .teacher-right{
        width: 100%;
        /*clear: both;*/
        float: none;
    }
    .line1-big-title-teacher-des {
        font-size: 25px;
        line-height: 1.5;
        /*display: none;*/
    }
    .list-des-teacher {
        display: none;
    }
    .img-new2 {
        top: -5px;
        left: -15px;
        transform: scale(0.7) translateY(-50%);
        width: 60px;
        background-size: 100% 100%;
        height: 40px;
    }
    .teacher-name-nav-tab{
        margin-bottom: 10px;
    }
    .teacher-name-nav-tabs{
        float: right;
        width: 100%;
        position: absolute;
        top: 240px;
        right: 0;
        display: flex;
        margin-top: 0;
        flex-wrap: wrap;
    }
    .teacher-name-nav-tabs li {
        /* flex: 1; */
    }
    .teacher-name-nav-tabs li a{
        display: inline-block;
        width: 100%;
    }
    .wapper-cta-teacher-mobile{
        display: block;
        margin-top: 0px;
    }
    .cta-teacher-mobile{
        display: block;
    }
    .wapper-big-teacher {
        height: auto;
    }
    .teacher-name-tab-content {
        padding-left: 15px;
        padding-right: 15px;
    }
    .teacher-left {
        width: 42%;
        margin-top: 19px;
        margin-left: -15px;
        margin-right: 17px;
    }
    .teacher-toan-image img {
        padding: 0;
    }
    .wapper-big-teacher {
        margin: 0;
        margin-left: 25px;
        margin-top: 15px;
    }
    .desc-big-teacher{
        /* font-size: 12px; */
        /*display: none;*/
    }
    .wapper-big-teacher::before {
        display: none;
    }
}
@media only screen and (max-width: 996px) and  (min-width: 768px){
    .teacher-name-nav-tabs {
        left: 50%;
        right: unset;
    }
    .title-box-teacher{
        font-size: 43px;
        margin-bottom: 30px;
    }
    .new-price {
        margin-bottom: 7px !important;
    }
    .link-price {
        margin-top: 10px !important;
    }
}
@media only screen and (max-width : 812px) {
    .dis-toan{
        margin-left: 14px;
    }
    .list-teacher {
        /*display: block !important;*/
        position: absolute;
        z-index: 999;
        width: 136px;
        background: #fff;
        padding: 5px;
        text-align: left;
        left: -24px;
        -webkit-box-shadow: 8px 6px 19px -10px rgba(0,0,0,0.47);
        -moz-box-shadow: 8px 6px 19px -10px rgba(0,0,0,0.47);
        box-shadow: 8px 6px 19px -10px rgba(0,0,0,0.47);
        margin-top: 8px;
        border: 1px solid #ddd;
        border-radius: 5px;
    }
    .list-teacher li a {
         font-size: 12px !important;
        height: 22px !important;
        line-height: 17px !important;
        margin-bottom: 12px;
    }
    .image-new2{
        margin-top: 20px;
    }
   /* .wapper-box-teacher{
        background: linear-gradient(to bottom, rgba(57,182,76,0) 0%, rgba(240,47,23,0) 0%, rgba(57,182,76,0) 51%, rgba(57,182,76,0) 52%, rgba(57,182,76,0) 53%, rgba(57,182,76,1) 55%, rgba(57,182,76,1) 100%);;
    }*/
    #teacher{
        height: auto;
    }
    .subject-nav-tabs li a{
        min-width: 80px;
    }
    .teacher-des:before{
        left: -28px;
    }
    .header-box4{
        background-size: 100%;
    }
    .line-1-header-box4{
        font-size: 19px;
    }
    .header-box4{
        padding-top: 34px;
        background-size: 100%;
    }
    .list-des-teacher ul li{
        width: 28%;
    }
    .teacher-toan-image{
        padding: 0;
    }
    /* .img-new2{
        top: 132px;
        left: 225px;
    } */
}
@media only screen and (max-width : 768px) {
    .teacher-name-nav-tabs {
        top: 32px;
        /* bottom: 545px; */
        margin-bottom: 3px;
        transform: translate(-50%,0%);
        left: 45px;
    }
    .img-teach{
        width: 100%;
    }
    .teacher-name-nav-tabs {
        justify-content: center;
    }
    .cta-teacher-mobile{

    }
    .cta-box-teacher a {
        font-size: 14px;
        height: 37px;
        min-width: 276px;
        padding: 13px 15px;
        margin-bottom: 15px;
    }
    /* .teacher-name-nav-tabs{
        position: relative;
        margin-top: -51px;
    } */
   /* .list-teacher{
        display: none !important;
    }*/
    /* .img-new2 {
        top: 155px;
        left: 210px;
    } */
}
@media only screen and (max-width : 600px) {
    .cta-teacher-mobile{
        min-width: 74px;
    }
    .line1-big-title-teacher-des {
        font-size: 15px;
        padding-top: 15px;
    }
    .big-title-teacher-des {
        padding-top: 0;
    }
}
@media only screen and (max-width : 600px) {
    .title-box-teacher{
        display: none;
    }
    .title-box-teachermb p {
       /* text-shadow: 2px -2px 0px #ffffff;*/
       text-shadow: rgb(255, 255, 255) 3px 0px 0px, rgb(255, 255, 255) 2.83487px 0.981584px 0px, rgb(255, 255, 255) 2.35766px 1.85511px 0px, rgb(255, 255, 255) 1.62091px 2.52441px 0px, rgb(255, 255, 255) 0.705713px 2.91581px 0px, rgb(255, 255, 255) -0.287171px 2.98622px 0px, rgb(255, 255, 255) -1.24844px 2.72789px 0px, rgb(255, 255, 255) -2.07227px 2.16926px 0px, rgb(255, 255, 255) -2.66798px 1.37182px 0px, rgb(255, 255, 255) -2.96998px 0.42336px 0px, rgb(255, 255, 255) -2.94502px -0.571704px 0px, rgb(255, 255, 255) -2.59586px -1.50383px 0px, rgb(255, 255, 255) -1.96093px -2.27041px 0px, rgb(255, 255, 255) -1.11013px -2.78704px 0px, rgb(255, 255, 255) -0.137119px -2.99686px 0px, rgb(255, 255, 255) 0.850987px -2.87677px 0px, rgb(255, 255, 255) 1.74541px -2.43999px 0px, rgb(255, 255, 255) 2.44769px -1.73459px 0px, rgb(255, 255, 255) 2.88051px -0.838247px 0px;
    }
    .title-box-teachermb{
        display: block;
        color: #1f57f3;
        font-size: 19px;
        text-align: center;
        font-weight: 900;
        line-height: 1.3;
        font-family: 'Baloo2';
        margin-bottom: 36px;
        padding-top: 10px;
    }
    .subject-nav-tabs li a{
        font-size: 14px;
        min-width: 80px;
        height: 35px;
        line-height: 36px;
        border-radius: 14px;
    }
    .tuduy-logic1 img {
        left: 6px;
    }
    /* .teacher-name-tab-content{
        padding-left: 5px;
        padding-right: 5px;
    } */
    .teacher-left{
        /* width: 36%; */
    }

    .wapper-big-teacher{
        /*width: 140px;*/
         padding-top: 20px; 
        height: 60px;
        left: 0;
        width: 100%;
        /* bottom: -32px; */
    }
    #teacher {
        padding-top: 0px;
    }
    .cb9mb{
        margin-left: 80px;
        margin-right: 80px;
    }
    .line2-big-title-teacher-des{
        font-weight: normal;
    }
    .group-big-teacher, .name-big-teacher{
        font-size: 15px;
        text-align: left;
        margin-left: -46px;
    }

    .list-des-teacher ul li{
        width: 100%;
        margin-bottom: 15px;
    }
    .teacher-des{
        margin-left: 25px;
    }

    .name-teacher-nav-list{
        font-size: 9px;
    }
    .image-sm-teacher img{
        max-width: 29px;
        float: left;
    }
    .teacher-name-nav-tab:after{
        content: " ";
        clear: both;
        display: table;
    }
    .name-teacher-nav-list{
        margin-right: 0;
        margin-left: 0;
        padding-top: 15px;
    }


}
@media only screen and (min-width : 414px) and (max-width: 736px) {
    .linmb{
        padding-left: 14px !important;
    }
    .bottom-left-header {
        margin-left: 24px;
    }
    .teacher-tabs-content::after {
        width: 17%;
        height: 3%;
        right: 2%;
        top: 27%;
    }
    .bottom-left-feedback{
        margin-left: 27px;
    }
    .teacher-name-nav-tabs {
        top: 55px !important;
    }
}

@media only screen and (max-width : 414px) {
    .group-big-teacher, .name-big-teacher{
        padding-right: 6px;
    }
    .muc-tieumb {
        padding-left: 19px !important;
    }
    .teacher-right1 {
        margin-top: 70px;
    }
   /* .linmb{
        padding-left: 14px !important;
    }*/
    .subject-nav-tabs {
        margin-bottom: 20px;
    }
    .teacher-name-tab-content {
        border-top-left-radius: 8px;
        border-top-right-radius: 8px;
    }
    .foo-last img{
        margin-top: 40px;
    }
    .countdown {
        margin-top: 10px;
    }
    .foo-last{
        padding-bottom: 20px;
    }
    .tong-on1, .luyen-de1 {
        border: 1px solid black;
    }
    .title-luyen {
        font-size: 22px;
    }
    .beyon-img{
        display: none;
    }
    .beyonmb-img{
        display: initial;
    }
    .secs {
        font-size: 40px;
    }
    .teacher-toan-image img {
        margin-top:  -15px; 
    }
    .su-dung-nn ,.tuduy-logic, .phantich  {
        width: 100%;
        margin-bottom: 35px;
    }
    .subject-nav-tabs {
        display: grid;
    }
    #teacher:before {
        bottom: 100px;
    }
    .image-sm-teacher img {
        max-width: 52px;
        float: left;
    }
    .owl-prev span{
        margin-left: -70px;
    }
    .owl-next span{
        margin-right: -70px;
    }
    .content-item-list-des-teacher {
         margin-left: 0px;
         text-align: justify;
    }
    .title-item-list-des-teacher {
        font-size: 17px;
        font-weight: bold;
        text-transform: inherit;
        position: relative;
        z-index: 1;
        padding: 9px 0px;
        margin-left: 60px;
        margin-right: 55px;
    }
    #teacher {
     padding-bottom: 0px;
        background-image: url(../images/bgmb-lay3.png);
        background-position: top left, top right , bottom center;
        background-repeat: no-repeat;
        background-size: 100% 80%;
        padding-top: 25px;
        position: relative;
        background-color: #ffff;
    }
    .teacher-name-tab-content {
        padding-top: 0px;
    }
    .img-new2 {
        top: -5px;
        left: -92px;
    }
    .image-new2 p {
        text-transform: initial;
        font-size: 21px;
        font-weight: 400;
        padding: 15px 0px 15px 7px;
        border: 1.5px solid;
        border-style: dashed;
        line-height: 2;
        text-align: left;
        margin-right: 1px;
        margin-left: -81px;
    }
    .title-sub {
        padding: 0px 3px 0px 6px;
    }
    .name-teacher-nav-list {
        font-size: 8px;
    }
    .teacher-name-nav-tab.active::before {
        content: "";
        background-image: url(../images/check.png);
        display: block;
        position: absolute;
        width: 14px;
        height: 14px;
        top: 0px;
        background-size: cover;
        right: -2px;
    }
    .title-list-des-teacher{
        font-size: 12px;
    }
    .list-des-teacher ul li{
        font-size: 12px;
    }
    .title-item-teacher{
        font-size: 12px;
    }
    .teacher-name-nav-tab {
        margin-bottom: 3px;
        /*width: 50px;*/
        /*height: 50px;*/
        margin-left: 10px;
        margin-top: 15px;
    }
    .list-des-teacher{
        display: none;
    }
    .big-title-teacher-des{
        font-size: 12px;
        padding-top: 0px;
        /*padding-bottom: 38px;*/
    }
    .teacher-name-nav-tabs {
        top: 32px;
        /* bottom: 545px; */
        margin-bottom: 3px;
        transform: translate(-50%,0%);
        left: 145px;
    }
    .img-teach{
        width: 100%;
        position: relative;
        bottom: 83px;
        /*left: -97px;*/
    }
    .image-sm-teacher {
        padding: 1px 1px 0;
        width: 50px;
        height: 50px;
    }
    .wapper-cta-teacher-mobile {
        margin-top: 35px;
        margin-bottom: 35px;
    }
    .image-new2 p {
        font-size: 14px;
        /*text-align: justify;*/
    }
    /* .img-new2{
        top: 185px;
        left: 274px;
        position: relative;
    } */
}

@media only screen and (max-width : 375px) {
    .teacher-tabs-content::after {
        top: 26%;
        width: 15%;
        height: 3%;
        right: 2%; 
        background: none;
    }
    .muc-tieumb {
        padding-left: 15px !important;
    }
    #teacher:before {
        bottom: 94px;
    }
    .line2-lyteacher {
        line-height: 1.8;
        font-size: 13px;
        padding: 0 10px;
    }
    .line1-big-title-teacher-des {
        line-height: 1.9;
        padding-top: 15px;
    }
    .teacher-name-nav-tab.active::before {
        left: 45px;
    }
    .title-item-list-des-teacher {
        margin-left: 43px;
        margin-right: 30px;
        text-align: center;
        line-height: 1.2;
    }
    .wapper-big-teacher{
        /* left: -7px; 
    }
    .teacher-name-nav-tabs {
        top: 19px;
        margin: 2px;
    }
    .teacher-name-nav-tabs .image-sm-teacher{
        margin: 2px;
        width: 50px;
        height: 50px;
    }
    .image-new2 p {
        font-size: 12px;
    }
    /* .img-new2{
        top: 185px;
        left: 274px;
    } */
}
@media only screen and (max-width : 360px) {
    #teacher:before {
        bottom: 83px;
    }
    .dis-toan{
        left: -16px;
    }
    .dis-li{
        left: -16px;
    }
    .dis-sinh{
        left: -30px;
    }

}

@media only screen and (max-width : 347px) {
    .teacher-name-nav-tabs {
        top: 240px;
    }
}
@media only screen and (max-width : 339px) {
    .teacher-name-nav-tabs {
        top: 240px;
    }
}
@media only screen and (max-width : 323px) {
    .teacher-name-nav-tabs {
        top: auto;
        /*bottom: 585px;*/
    }
}
@media only screen and (max-width : 320px) {
    .dis-su{
        margin-left: -40px;
    }
    .title-luyen {
        font-size: 17px;
        color: #ab1313;
        margin-bottom: 30px;
        margin-top: -134px;
    }
    .tuduy-logic1 {
        font-size: 19px;
    }
    .tuduy-logic1 img {
        width: 75%;
    }
    .teacher-tabs-content::after {
        width: 19%;
        height: 2%;
        right: 2%;
        top: 23%;
    }
    .image-new2 p {
        font-size: 10px;
    }
    .teacher-toan-image img {
        margin-top: 52px;
    }
    .link-price a {
        font-size: 16px !important;
    }
    .teacher-left {
        width: 56%;
        margin-top: -6px;
        margin-right: 7px;
    }
    .wapper-big-teacher {
        margin-top: -11px;
    }
    .teacher-right1 {
        margin-top: 40px;
    }
    .line1-big-title-teacher-des {
        font-size: 12px;
    }
    .line2-lyteacher {
        line-height: 1.8;
        font-size: 9px;
    }
    #teacher:before {
        bottom: 216px;
    }
    .teacher-right1 {
        margin-top: 160px;
    }
    .desc-big-teacher {
        width: 58%;
        margin-left: 102px;
    }
    .title-item-list-des-teacher {
        font-size: 17px;
        font-weight: bold;
        margin-bottom: 0px;
        text-transform: inherit;
        position: relative;
        z-index: 1;
        padding: 14px 8px;
        text-align: center;
    }
    .teacher-name-nav-tabs .image-sm-teacher {
        margin: 2px;
        width: 40px;
        height: 40px;
    }
    .title-box-teachermb {
        line-height: 1.5;
        font-size: 16px;
    }
    .title-sub {
        padding: 0px 5px;
    }
    .title-box-teacher {
        font-size: 16px;
    }
    .border-header-tab-teacher{
        padding: 5px 27px;
    }
    .subject-nav-tabs li a {
        font-size: 14px;
        min-width: 36px;
        height: 30px;
        line-height: 36px;
    }
    .name-teacher-nav-list {
        font-size: 5px;
    }
    .image-sm-teacher img{
        max-width: 41px;
    }
    .box-price-left {
        padding: 15px;
    }
    .new-price {
        font-size: 25px;
        margin-bottom: 0px;
    }
    .desc-item-price {
        font-size: 15px;
    }
    .old-price {
        font-size: 17px;
        margin-top: 5px;
        margin-bottom: 22px !important;
    }
    .link-price {
        margin-top: 10px;
    }
    .teacher-name-nav-tabs {
        top: 24PX;
        padding-right: 30px;
    }
    .group-big-teacher, .name-big-teacher{
       font-size: 14px;
        margin-left: -32px;
        text-align: left;
        padding-right: 5px;
    }
    .wapper-big-teacher{
        width: 100%;
    }
    .cb9mb{
        margin-left: 45px;
        margin-right: 45px;
    }
    .teacher-name-nav-tab.active::before {
        left: 45px;
    }
}