.katex-display {
    display: inline-block;
    margin: 0;
}

.question .question__content {
    margin-left: 0;
}

.ico-dislike {
    width: 50px;
    height: 48px;
    background-position: -77px -576px;
}

.news-carousel__block-inner .slick-arrow {
    top: initial;
    bottom: -14px;
}

.question-success {
    display: block;
}
/*css page học tập*/

.site-aside {
    margin-bottom: 30px
}

@media screen and (max-width:991px) {
    .site-aside {
        position: fixed;
        z-index: 999;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        opacity: 0;
        visibility: hidden;
        transition: all .3s ease;
        margin-bottom: 0;
        padding: 12px 15px;
        background-color: #fcfbf6;
        pointer-events: none
    }

        .site-aside.active {
            opacity: 1;
            visibility: visible;
            pointer-events: all
        }
}

.site-aside__toggler {
    justify-content: center;
    align-items: center;
    display: flex;
    margin: 0 0 12px -3px;
    border: none;
    width: 20px;
    height: 20px;
    padding: 0;
    background: 0 0
}

@media screen and (min-width:992px) {
    .site-aside__toggler {
        display: none
    }
}

.site-aside__toggler span {
    position: relative;
    display: block;
    transition: all .25s cubic-bezier(.645,.045,.355,1);
    transition-timing-function: cubic-bezier(.645,.045,.355,1);
    margin: auto;
    width: 18px;
    height: 2px;
    background: 0 0
}

    .site-aside__toggler span:before {
        content: "";
        position: absolute;
        top: -6px;
        right: 0;
        left: 0;
        transform: translateY(6px) translateX(0) rotate(45deg);
        transition: all .25s cubic-bezier(.645,.045,.355,1);
        transition-timing-function: cubic-bezier(.645,.045,.355,1);
        margin: auto;
        width: 100%;
        height: 2px;
        background-color: #333
    }

    .site-aside__toggler span:after {
        content: "";
        position: absolute;
        top: inherit;
        right: 0;
        bottom: -6px;
        left: 0;
        transform: translateY(-6px) translateX(0) rotate(-45deg);
        transition: all .25s cubic-bezier(.645,.045,.355,1);
        transition-timing-function: cubic-bezier(.645,.045,.355,1);
        margin: auto;
        width: 100%;
        height: 2px;
        background-color: #333
    }

.site-aside__block {
    border-radius: 0 0 21px 21px;
    padding-bottom: 11px;
    background: linear-gradient(to top,#34b87f 30px,transparent 0)
}

    .site-aside__block .nav-tabs {
        overflow: hidden;
        border-radius: 20px 20px 0 0;
        background-color: #fff
    }

    .site-aside__block .nav-item {
        border-top: none;
        width: 50%
    }

    .site-aside__block .nav-link {
        justify-content: center;
        border-radius: 20px 20px 0 0 !important;
        width: 100%;
        padding: 13px 10px 35px !important;
        background-color: transparent !important;
        font-size: 17px;
        font-weight: 700;
        text-align: center;
        color: #333 !important
    }

        .site-aside__block .nav-link.active, .site-aside__block .nav-link:hover {
            background-color: #34b87f !important;
            color: #fff !important
        }

    .site-aside__block .tab-content {
        position: relative;
        z-index: 2;
        margin-top: -21px;
        border-radius: 20px;
        padding: 12px 3px 24px 10px;
        background-color: #fff
    }

@media screen and (min-width:992px) {
    .site-aside__block .tab-content {
        padding-right: 6px
    }
}

.site-aside__wrapper {
    overflow-x: hidden;
    overflow-y: auto;
    height: calc(100vh - 152px);
    padding-right: 4px
}

@media screen and (min-width:992px) {
    .site-aside__wrapper {
        height: 1192px;
        padding-right: 7px
    }
}

.site-aside__wrapper::-webkit-scrollbar-track {
    border-radius: 10px;
    background-color: #fff
}

.site-aside__wrapper::-webkit-scrollbar {
    width: 4px;
    background-color: #fff
}

@media screen and (min-width:992px) {
    .site-aside__wrapper::-webkit-scrollbar {
        width: 5px
    }
}

.site-aside__wrapper::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #d7d7d7
}

.site-aside__select {
    padding: 0 12px 13px 17px
}

    .site-aside__select .form-select {
        font-size: 16px
    }

.site-aside__inner .item {
    display: flex
}

.site-aside__inner .item__head {
    position: relative;
    align-items: center;
    display: flex;
    width: 34px;
    padding-bottom: 10px
}

    .site-aside__inner .item__head::before {
        content: "";
        position: absolute;
        top: 0;
        bottom: calc(50% + 40px);
        left: 50%;
        border-right: 1px dashed #34b87f
    }

    .site-aside__inner .item__head::after {
        content: "";
        position: absolute;
        top: calc(50% + 10px);
        bottom: 0;
        left: 50%;
        border-right: 1px dashed #34b87f
    }

.site-aside__inner .item:first-child .item__head::before {
    bottom: calc(50% + 20px)
}

.site-aside__inner .item:last-child .item__head::after {
    content: none
}

.site-aside__inner .item.deactive .item__head::after, .site-aside__inner .item.deactive .item__head::before {
    border-color: #dedede
}

.site-aside__inner .item.deactive + .item:not(.deactive) .item__head::before {
    border-color: #dedede
}

.site-aside__inner .item.border-red .item__head::after, .site-aside__inner .item.border-red .item__head::before {
    border-color: #ff3030
}

.site-aside__inner .item:not(.border-red) + .item.border-red .item__head::before {
    border-color: #34b87f
}

.site-aside__inner .item.deactive + .item.border-red .item__head::before {
    border-color: #dedede
}

.site-aside__inner .item__order {
    position: relative;
    z-index: 5;
    justify-content: center;
    align-items: center;
    display: flex;
    border: 1px dashed #34b87f;
    border-radius: 50%;
    width: 34px;
    height: 34px;
    padding-top: 2px;
    background-color: #fff;
    font-size: 19px;
    font-weight: 500;
    color: #34b87f
}

    .site-aside__inner .item__order::before {
        content: "";
        position: absolute;
        top: -18px;
        left: calc(50% - 3px);
        border-radius: 50%;
        width: 7px;
        height: 7px;
        background-color: #35b97f
    }

.site-aside__inner .item:first-child .item__order::before {
    content: none
}

.site-aside__inner .item.deactive .item__order {
    border-color: #bababa;
    color: #888
}

    .site-aside__inner .item.deactive .item__order::before {
        background-color: #dedede
    }

.site-aside__inner .item.deactive + .item:not(.deactive) .item__order::before {
    background-color: #dedede
}

.site-aside__inner .item.active .item__order {
    border-style: solid;
    background-color: #35b97f;
    color: #fff
}

.site-aside__inner .item.border-red .item__order {
    border-color: #ff3030;
    color: #ff3030
}

    .site-aside__inner .item.border-red .item__order::before {
        background-color: #ff3030
    }

.site-aside__inner .item:not(.border-red) + .item.border-red .item__order::before {
    background-color: #34b87f
}

.site-aside__inner .item.deactive + .item.border-red .item__order::before {
    background-color: #dedede
}

.site-aside__inner .item__content {
    margin-bottom: 10px;
    width: calc(100% - 34px);
    padding-left: 16px
}

@media screen and (min-width:992px) {
    .site-aside__inner .item__content {
        padding-left: 19px
    }
}

.site-aside__inner .item__inner {
    position: relative;
    flex-direction: column;
    justify-content: center;
    display: flex;
    border: 1px dashed transparent;
    border-radius: 6px;
    padding: 17px 13px;
    background-color: #f9f9f9
}

@media screen and (min-width:992px) {
    .site-aside__inner .item__inner {
        padding-right: 10px;
        padding-left: 10px
    }
}

.site-aside__inner .item__inner::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -12px;
    transform: rotate(45deg) translateY(-50%);
    border: 1px dashed transparent;
    width: 13px;
    height: 13px;
    background-color: #f9f9f9
}

.site-aside__inner .item.active .item__inner::before {
    background-color: #dbf9ed
}

.site-aside__inner .item.border-green .item__inner {
    border-color: #34b87e
}

    .site-aside__inner .item.border-green .item__inner::before {
        border-width: 0 0 1px 1px;
        border-color: #34b87e
    }

.site-aside__inner .item.border-red .item__inner {
    border-color: #ff3030
}

    .site-aside__inner .item.border-red .item__inner::before {
        border-width: 0 0 1px 1px;
        border-color: #ff3030
    }

.site-aside__inner .item.active .item__inner {
    background-color: #dbf9ed
}

.site-aside__inner .item__title {
    position: relative;
    z-index: 2;
    margin-bottom: 2px;
    font-size: 18px;
    line-height: 1.34;
    font-weight: 700
}

.site-aside__inner .item__description {
    position: relative;
    z-index: 2;
    font-size: 14px;
    line-height: 1.71;
    color: #34b87e
}

.site-aside__inner .item.deactive .item__description {
    color: #999
}

.site-aside__inner .item.border-red .item__description {
    color: #ff3030
}

/*css page học tập*/



select:disabled, input:disabled {
    background-color: #eee !important;
}


.user-detail__form .number-wrapper .item-content {
    width: 100%
}

.common-form .item {
    width: 100%;
}

#dap-an-sai .question-answer__content {
    font-size: 16px;
}

#tutai_key_pad, .clock {
    display: none
}

:root {
    --t-control-bg-color-0: #362FD9;
    --t-control-bg-color-1: #FFDCA9;
    --t-control-bg-color-2: #CE7777;
    --t-control-bg-color-3: #68B984;
    --t-control-bg-color-4: #009EFF;
    --t-control-bg-color-5: #5F8D4E;
    --t-control-bg-color-6: #BA94D1;
    --t-control-bg-color-7: #497174;
    --t-control-bg-color-8: #0E5E6F;
    --t-control-bg-color-9: #3E6D9C;
    --t-control-bg-color-10: #4E6C50;
}

.t-control-bg-color_0 {
    border: 3px solid var(--t-control-bg-color-0);
}

.t-control-bg-color_1 {
    border: 3px solid var(--t-control-bg-color-1);
}

.t-control-bg-color_2 {
    border: 3px solid var(--t-control-bg-color-2);
}

.t-control-bg-color_3 {
    border: 3px solid var(--t-control-bg-color-3);
}

.t-control-bg-color_4 {
    border: 3px solid var(--t-control-bg-color-4);
}

.t-control-bg-color_5 {
    border: 3px solid var(--t-control-bg-color-5);
}

.t-control-bg-color_6 {
    border: 3px solid var(--t-control-bg-color-6);
}

.t-control-bg-color_7 {
    border: 3px solid var(--t-control-bg-color-7);
}

.t-control-bg-color_8 {
    border: 3px solid var(--t-control-bg-color-8);
}

.t-control-bg-color_9 {
    border: 3px solid var(--t-control-bg-color-9);
}

.t-control-bg-color_10 {
    border: 3px solid var(--t-control-bg-color-10);
}

.input-number {
    position: relative;
    display: inline-block;
    width: 100px;
    height: 36px;
    margin: 0 0;
    vertical-align: middle
}

    .input-number input {
        border: 1px solid #cfcfcf;
        border-radius: 5px;
        border-radius: 5px;
        width: 100%;
        height: 100%;
        padding: 0 10px;
        background: #fff;
        text-align: center
    }

@media screen and (min-width:768px) {
    .input-number--large {
        width: 200px;
        height: 45px
    }
}

.input-number--large input {
    border-color: #ccced1;
    text-align: left
}

@media screen and (min-width:768px) {
    .input-number--large input {
        padding-right: 20px;
        padding-left: 20px
    }
}


.t-control {
    text-align: center;
    display: inline-flex;
    margin: 4px 8px;
    vertical-align: middle;
    padding: 4px;
    border-radius: 4px;
    min-width: 28px;
}

    .t-control.ck-widget {
        cursor: move;
        padding: 4px;
        border-radius: 4px;
    }

        .t-control.ck-widget input {
            pointer-events: none;
        }

        .t-control.ck-widget > .input-number,
        .t-control.ck-widget > .number-options,
        .t-control.ck-widget > input {
            margin: 0;
            pointer-events: none;
        }

    .t-control > .number-options > span > span > span {
        border: none;
    }

    .t-control > .input-number {
        padding: 0;
        height: auto;
    }

        .t-control > .input-number input {
            height: 32px;
            margin: 0;
        }

.swal2-icon {
    width: 1.3em;
    height: 1.3em
}

    .swal2-icon .swal2-icon-content {
        font-size: 1em;
    }

.swal2-title {
    padding-top: 0.1em;
    font-size: 1.5em
}

.navbar-brand__logo {
    /*background-image: url(/content/images/logo_vnedu_tutai.png);
    height: 50px;
    width: 148px;
    background-repeat: no-repeat;
    background-position-y: center;
    transform: scale(0.7);
    padding: 9px 0;
    height: 50px;
    width: 200px;
    background-size: cover;*/
    background-image: url(/content/images/logo_vnedu_tutai.png);
    height: 56px;
    width: 148px;
    background-repeat: no-repeat;
    background-position-y: center;
    background-size: contain;
}

.site-heading--lg {
    margin-top: 10px;
}

.layout {
    margin: 0
}

.site-heading {
    margin-bottom: 10px
}

.course-card__content {
    padding: 10px 15px 10px;
}

.course-card__info {
    padding-top: 10px
}

.talk__content {
    max-width: 90%
}

.olt {
    padding: 7px 0;
    display: inline-block
}

.ico-vao-hoc {
    width: 19px;
    height: 24px;
    background-position: 0 -732px
}

.ico-nhiem-vu {
    width: 20px;
    height: 18px;
    background-position: -18px -735px
}

.ico-danh-gia {
    width: 20px;
    height: 20px;
    background-position: -37px -733px
}

.ico-thanh-tich {
    width: 16px;
    height: 20px;
    background-position: -56px -733px
}

.ico-dau-truong {
    width: 20px;
    height: 20px;
    background-position: -71px -733px
}

.ico-mua-khoa-hoc {
    width: 22px;
    height: 20px;
    background-position: -90px -733px
}

.question-answer__content {
    padding-left: 15px
}

.site-heading__button {
    font-size: 16px;
}

.overlay {
    display: none;
    position: fixed;
    z-index: 5555;
    top: 0;
    left: 0;
    height: 100%;
    opacity: .6;
    width: 100%;
    background: #000;
}

    .overlay.show {
        display: flex;
        justify-content: center;
    }

    .overlay .loading-text {
        position: absolute;
        top: 50%;
        /*left: 50%;*/
        margin-top: -50px;
        /*margin-left: -50px;*/
        font-size: 27px;
        color: #fff;
        max-width: 100px;
    }

        .overlay .loading-text img {
            width: 100%;
            height: auto;
        }

.site-header__logo {
    margin-right: 0;
    padding: 9px 0;
}

.benefit__links a {
    padding: 6px 10px
}

#khoi_lop .btn-out {
    padding: 6px 12px;
    border-radius: 16px;
    background-color: #B4B4B3;
    margin: 8px 0;
}

    #khoi_lop .btn-out > svg {
        margin-right: 8px;
    }

.swal2-icon.swal2-error [class^=swal2-x-mark-line][class$=right] {
    right: 0;
    transform: rotate(-45deg);
    display: block;
    position: absolute;
    top: 0.6025em;
    width: 1.4375em;
    height: 0.2125em;
    border-radius: 0.125em;
    background-color: #f27474;
}

.swal2-icon.swal2-error [class^=swal2-x-mark-line][class$=left] {
    left: -0.1em;
    transform: rotate(45deg);
    display: block;
    position: absolute;
    top: 0.6025em;
    width: 1.6375em;
    height: 0.2125em;
    border-radius: 0.125em;
    background-color: #f27474;
}

.swal2-icon.swal2-success [class^=swal2-success-line][class$=tip] {
    top: 0.775em;
    left: -0.0875em;
    width: 0.8625em;
    transform: rotate(45deg);
}

.swal2-icon.swal2-success [class^=swal2-success-line][class$=long] {
    top: 0.575em;
    right: -0.35em;
    width: 1.475em;
    transform: rotate(-45deg);
}

.swal2-icon.swal2-success.swal2-icon-show .swal2-success-circular-line-right, .swal2-icon.swal2-success [class^=swal2-success-circular-line][class$=left], .swal2-icon.swal2-success .swal2-success-fix {
    display: none
}

#fireworkAni {
    height: 70vh;
    overflow: hidden;
    position: fixed;
    width: 100vw;
    top: 20%;
    margin: auto;
    z-index: 9999
}

#fireworkBg {
    padding-top: 20%;
    text-align: center;
    margin: auto;
    width: 100px;
}

.dot {
    position: absolute;
    background-color: #91e600;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    will-change: transform;
}

.congratulation {
    transform-origin: 50% 50%;
    color: #1379c5;
    font-size: 40px;
    font-weight: 900;
    font-family: "Sigmar One", cursive;
    cursor: pointer;
    z-index: 2;
    margin-top: 2%;
    text-align: center;
    width: 100%;
    text-shadow: 4px 0 #f0fcfe, -4px 0 #f0fcfe, 0 4px #f0fcfe, 0 -4px #f0fcfe, 2px 2px #f0fcfe, -2px -2px #f0fcfe, 2px -2px #f0fcfe, -2px 2px #f0fcfe;
}

.nav-item .nav-link {
    padding: 0 !important
}

    .nav-item .nav-link span.fz-17 {
        flex-grow: 1;
        text-align: left;
        padding: 8px 3px 9px !important
    }