:root {
    --plyr-color-main: #fc0d1c;
    --plyr-control-icon-size: 22px;
}

.plyr__control--overlaid {
    background-color: rgba(0, 0, 0, 0.25) !important;
    border-radius: 14px;
}

    .plyr__control--overlaid svg {
        transition: transform 200ms ease;
        will-change: transform;
    }

    .plyr__control--overlaid:hover svg {
        transform: scale(1.1);
    }

h3 {
    font-style: normal;
    font-weight: 500;
    font-size: 24px;
    line-height: 125%;
    letter-spacing: -0.015em;
    color: #2e485c;
}

.nText {
    font-weight: 400;
    font-size: 14px;
    line-height: 20px;
    color: #2e485c;
}

    .nText > b {
        font-weight: 700;
    }

.mt-12 {
    margin-top: 12px;
}

.mt-24 {
    margin-top: 24px;
}

.stick-section {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    gap: 24px;
    position: absolute;
    left: 251px;
    right: 0;
    height: 70px;
    top: 70px;
    background: #fafafa;
    box-shadow: 11px 0px 16px 0px rgb(150 163 173 / 50%);
    z-index: 1;
}

    .stick-section > h2 {
        font-style: normal;
        font-weight: 500;
        font-size: 24px;
        line-height: 125%;
        letter-spacing: -0.015em;
        color: #2e485c;
    }

.blueButton {
    padding: 9px 16px;
    min-width: 142px;
    height: 38px;
    background: #1376bb;
    border-radius: 64px;
    font-weight: 500;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.02em;
    color: #ffffff;
    text-align: center;
    border: none;
    margin: 0 8px;
    cursor: pointer;
}

.whiteButton {
    background: #fafafa;
    border: 1px solid #1376bb;
    border-radius: 64px;
    padding: 9px 16px;
    font-weight: 500;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.02em;
    color: #1376bb;
    height: 38px;
    min-width: 116px;
    margin: 0 8px;
    cursor: pointer;
}

.bg-gray {
    background: #f5f6f7;
}

.bg-darkGray {
    background: #eaedef;
}

.page-container {
    max-width: 1197px;
    margin: auto;
}

.back-btn {
    display: flex;
    padding: 16px;
    font-size: 14px;
    font-weight: 500;
    color: #2e485c;
    gap: 8px;
}

.topBottomBoarder {
    border-width: 1px 0;
    border-style: solid;
    border-color: #d5dade;
    padding: 12px 0;
}

.headerSection > div {
    display: flex;
    padding: 61px 40px;
}

    .headerSection > div > div > img {
        max-width: 415px;
    }

.headerSection h2 {
    font-style: normal;
    font-weight: 600;
    font-size: 34px;
    line-height: 50px;
    color: #2e485c;
    margin-bottom: 16px;
}

.inside-container {
    margin-left: 40px;
    justify-content: space-around;
}

    .inside-container p {
        line-height: 24px;
    }

.row-container {
    display: flex;
    flex-direction: row;
}

.gap-40 {
    gap: 40px;
}

.col-container {
    display: flex;
    flex-direction: column;
}

.control-row {
    border: solid 1px #d5dade;
    border-right: none;
    border-left: none;
    padding: 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

    .control-row h3 {
        font-weight: 600;
        font-size: 24px;
        color: #1376bb;
        margin-bottom: 4px;
    }

    .control-row .text {
        font-weight: 400;
        font-size: 14px;
        line-height: 20px;
        color: #435a6c;
    }

.detail-item {
    display: flex;
    flex-direction: row;
    margin-right: 26px;
}

    .detail-item img {
        width: 24px;
        height: 24px;
        margin-right: 8px;
    }

    .detail-item small {
        font-style: normal;
        font-weight: 400;
        font-size: 10px;
        line-height: 100%;
        letter-spacing: 0.04em;
        color: #2e485c;
    }

    .detail-item strong {
        font-style: normal;
        font-weight: 500;
        font-size: 14px;
        line-height: 20px;
        letter-spacing: 0.02em;
        color: #2e485c;
    }

.about-the-course {
    background: #f5f6f7;
}

    .about-the-course > div {
        display: flex;
    }

        .about-the-course > div > div {
            padding: 40px;
        }

            .about-the-course > div > div:first-child {
                flex: 2;
            }

            .about-the-course > div > div:last-child {
                flex: 1;
                border-left: 1px solid #c0c8ce;
                padding: 0 40px;
                margin: 40px 0;
            }

.what-you-learn {
    margin-top: 60px;
}

    .what-you-learn > div {
        display: flex;
    }

        .what-you-learn > div > div {
            padding: 40px;
        }

            .what-you-learn > div > div:first-child {
                flex: 2;
            }

            .what-you-learn > div > div:last-child {
                flex: 1;
                padding: 40px;
            }

    .what-you-learn .topics {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        align-content: flex-start;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 20px 0;
    }

        .what-you-learn .topics > div {
            display: flex;
            gap: 10px;
            font-weight: 400;
            font-size: 14px;
            line-height: 20px;
            color: #2e485c;
            width: 280px;
        }

    .what-you-learn .skills {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 16px;
    }

        .what-you-learn .skills > div {
            align-items: center;
            justify-content: center;
            font-weight: 400;
            font-size: 14px;
            line-height: 20px;
            color: #2e485c;
            padding: 6px 12px;
            background: #eaedef;
            border-radius: 64px;
        }

.content-section .page-container {
    max-width: 800px;
}

.whatYouLearn {
    display: flex;
}

.whatYouLearn-option > div {
    display: flex;
    font-size: 16px;
    align-items: center;
}

.whatYouLearn div {
    margin-right: 70px;
}

.whatYouLearn p {
    margin-top: 16px;
    display: block;
    line-height: 24px;
}

.whatYouLearn .learn-item {
    margin-top: 16px;
    display: flex;
}

    .whatYouLearn .learn-item > img {
        display: block;
        margin-right: 18px;
        width: 22px;
    }

.content-item {
    cursor: pointer;
    padding: 24px;
    gap: 12px;
    border: 1px solid #c0c8ce;
    border-radius: 8px;
    font-weight: 500;
    font-size: 16px;
    line-height: 22px;
    color: #2e485c;
    margin-top: 12px;
    background-color: #fff;
}

    .content-item > .title {
        display: flex;
        justify-content: space-between;
    }

        .content-item > .title > img {
            transition: transform 150ms linear;
            will-change: transform;
        }

    .content-item ul {
        margin-left: 12px;
        display: none;
    }

        .content-item ul > li {
            display: flex;
            font-weight: 400;
            font-size: 16px;
            line-height: 24px;
            color: #2e485c;
            margin-top: 8px;
            list-style-type: none;
        }

            .content-item ul > li .title {
                flex: 1;
            }

            .content-item ul > li .time {
                font-size: 14px;
                color: #435a6c;
            }

.content-section .content-item ul > li:before {
    content: "\2022";
    font-size: 20px;
    color: #2e485c;
    margin-right: 11px;
}

.card-container {
    padding: 40px;
}

.p-card {
    flex: 1;
    margin-top: 24px;
    margin-right: 48px;
}

    .p-card > img {
        width: 300px;
        height: 300px;
        border-radius: 12px;
    }

    .p-card h4 {
        margin-top: 19px;
        font-weight: 600;
        font-size: 20px;
        line-height: 28px;
        letter-spacing: -0.015em;
        color: #2e485c;
    }

    .p-card span {
        font-weight: 500;
        font-size: 20px;
        line-height: 28px;
        letter-spacing: -0.015em;
        color: #2e485c;
    }

    .p-card p {
        margin-top: 16px;
        font-style: normal;
        font-weight: 400;
        font-size: 16px;
        line-height: 24px;
        color: #586d7d;
    }

.card-container .navBar {
    justify-content: center;
    display: none;
}

    .card-container .navBar img {
        width: 48px;
        height: 48px;
        margin: 0 12px;
        cursor: pointer;
    }

.bestValue-section {
    display: flex;
}

.faq-section .page-container {
    max-width: 800px;
}

.faq-section {
    margin-bottom: 40px;
}

    .faq-section ul {
        margin: 0;
    }

.progress {
    width: 436px;
}

    .progress .progress-title {
        color: #586d7d;
        font-size: 14px;
        font-weight: 500;
        letter-spacing: 0.02em;
        line-height: 20px;
    }

    .progress .progress-bar {
        background-color: #d5dade;
        height: 4px;
        margin: 4px 0;
    }

        .progress .progress-bar .done {
            background-color: #05944f;
            height: 100%;
        }

    .progress .progress-sub-title {
        color: #82919d;
        font-size: 12px;
        font-weight: 400;
    }

img.vid-overlay {
    position: absolute;
    left: 0;
    top: 0;
}

.videoBox {
    position: relative;
}

    .videoBox img {
        border-radius: 8px;
        cursor: pointer;
        height: 238px;
    }

.course-container {
    display: flex;
    flex-wrap: wrap;
    padding: 20px;
    gap: 20px;
}

.course-item {
    display: flex;
    width: 48%;
    border: 1px solid #d5dade;
    border-radius: 8px;
    padding: 10px;
    flex-direction: column;
}

    .course-item > .course-des {
        display: flex;
        gap: 10px;
        padding-bottom: 6px;
    }

        .course-item > .course-des > img {
            width: 96px;
            height: auto;
        }

        .course-item > .course-des > section > h3 {
            color: #2e485c;
            font-weight: 500;
            font-size: 14px;
        }

        .course-item > .course-des > section > h4 {
            color: #586d7d;
            font-weight: 400;
            font-size: 12px;
        }

.course-rates {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px;
    border: 1px solid #e3e3e3;
    border-right: none;
    border-left: none;
}

    .course-rates > .rates {
        display: flex;
        align-items: center;
        gap: 5px;
    }

        .course-rates > .rates > span {
            color: #586d7d;
            font-size: 14px;
        }

    .course-rates > .duration {
        display: flex;
        align-items: center;
        gap: 5px;
    }

        .course-rates > .duration > span {
            color: #586d7d;
            font-size: 14px;
        }

.course-item > .course-skills {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

    .course-item > .course-skills > h4 {
        font-weight: 500;
        font-size: 14px;
        line-height: 22px;
        color: #2e485c;
        padding: 10px 0;
    }

    .course-item > .course-skills > div {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

        .course-item > .course-skills > div > span {
            display: flex;
            flex-direction: row;
            align-items: center;
            padding: 6px 12px;
            background: #eaedef;
            border-radius: 64px;
            white-space: nowrap;
            font-size: 12px;
        }

.course-purchase {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    border-top: 1px solid #e3e3e3;
    margin-top: 15px;
    padding-right: 5px;
    padding-left: 5px;
}

    .course-purchase > h5 {
        font-family: "Poppins";
        font-style: normal;
        font-weight: 600;
        font-size: 24px;
        line-height: 28px;
        display: flex;
        align-items: center;
        color: #2e485c;
    }

    .course-purchase > div {
        display: flex;
        align-items: center;
        gap: 10px;
    }

        .course-purchase > div > button,
        .course-purchase > div > a {
            display: flex;
            flex-direction: row;
            justify-content: center;
            align-items: center;
            padding: 5px 16px;
            border: none;
            font-weight: 500;
            font-size: 14px;
        }

        .course-purchase > div > .view-detail {
            background: #f5f6f7;
            border-radius: 64px;
            color: #1376bb;
        }

        .course-purchase > div > .add-to-cart,
        .course-purchase > div > .added-to-cart {
            gap: 8px;
            background: #1376bb;
            border-radius: 64px;
            color: #fff;
        }

        .course-purchase > div > .added-to-cart {
            background: #0d4f7c;
        }

.search-box button {
    color: #fff;
    background: #1376bb;
    padding: 8px 15px;
    border: none;
    border-radius: 64px;
    cursor: pointer;
}

.search-input {
    display: flex;
    align-items: center;
    padding: 0 8px;
    gap: 8px;
    height: 56px;
    margin-top: 8px;
}

    .search-input .main-search {
        display: flex;
        border: 1px solid #96a3ad;
        align-items: center;
        background: #ffffff;
        border-radius: 64px;
        width: 70%;
        height: 100%;
        padding: 0px 16px;
    }

    .search-input img {
        width: 16px;
        margin: 0 5px;
    }

    .search-input input {
        border: none;
        background: #ffffff;
        margin-left: 5px;
        padding: 3px;
        width: 95%;
    }

        .search-input input::placeholder {
            color: silver;
        }

        .search-input input:focus {
            outline: none;
        }

.search-category {
    width: 12%;
    display: flex;
    border-right: 1px solid #96a3ad;
    height: 100%;
    align-items: center;
    justify-content: center;
    font-weight: 400;
    font-size: 16px;
    line-height: 24px;
    display: flex;
    align-items: center;
    color: #586d7d;
    margin-right: 28px;
}

.filter-button {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 8px 16px;
    gap: 8px;
    background: #ffffff;
    border: 1px solid #96a3ad;
    border-radius: 64px;
    height: 100%;
    cursor: pointer;
}

    .filter-button > a {
        font-weight: 500;
        font-size: 14px;
        line-height: 20px;
        display: flex;
        align-items: center;
        letter-spacing: 0.02em;
        color: #1376bb;
    }

.search-box {
    display: flex;
    flex-direction: column;
}

    .search-box .search-result-item {
        padding: 10px 10px;
    }

        .search-box .search-result-item h3 {
            font-weight: 500;
            font-size: 16px;
            line-height: 22px;
            color: #2e485c;
        }

        .search-box .search-result-item p {
            font-size: 16px;
            line-height: 30px;
            color: #525a60;
        }

        .search-box .search-result-item .mark {
            background-color: #fffadd;
        }

.course-content {
    display: flex;
    flex-direction: row-reverse;
}

    .course-content > .lecture-content {
        min-height: 200px;
        flex-grow: 1;
    }

        .course-content > .lecture-content > .player-container {
            max-width: 845px;
            width: 100%;
            margin: auto;
        }

            .course-content > .lecture-content > .player-container > .videoError {
                display: none;
                font-size: 24px;
                color: #525252;
                text-align: center;
                margin: 30px;
                color: #6d828d;
                font-weight: 500;
            }

        .course-content > .lecture-content > .assessment-container {
            width: 100%;
            min-height: 200px;
        }

            .course-content > .lecture-content > .assessment-container > .action-bar {
                position: initial;
            }

        .course-content > .lecture-content > .player {
            width: 100%;
            min-height: 500px;
            background-color: #000;
        }

    .course-content > .content-section {
        border-left: 1px solid #d5dade;
        border-top: 1px solid #d5dade;
        min-width: 354px;
        width: 354px;
        height: 100vh;
    }

        .course-content > .content-section > .userProgress {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding: 12px 16px;
            gap: 4px;
            height: 72px;
            background: #f3f8fc;
        }

            .course-content > .content-section > .userProgress > strong {
                font-weight: 500;
                font-size: 16px;
                line-height: 22px;
                color: #586d7d;
            }

            .course-content > .content-section > .userProgress > small {
                font-weight: 400;
                font-size: 12px;
                line-height: 14px;
                letter-spacing: 0.02em;
                color: #82919d;
            }

            .course-content > .content-section > .userProgress > div {
                height: 4px;
                width: 100%;
                background: #d5dade;
            }

                .course-content > .content-section > .userProgress > div > .progressValue {
                    height: 4px;
                    background: #05944f;
                    transition: width 2s linear;
                    will-change: width;
                }

        .course-content > .content-section > h3 {
            margin: 16px;
        }

        .course-content > .content-section > .content-item {
            padding: 12px 16px;
            border: none;
            border-bottom: 1px solid #d5dade;
            border-top: 1px solid #d5dade;
            border-radius: 0;
            margin-top: -1px;
        }

            .course-content > .content-section > .content-item:first-of-type {
                border-top: none;
            }

            .course-content > .content-section > .content-item > .title > span {
                font-style: normal;
                font-weight: 400;
                font-size: 16px;
                line-height: 24px;
                color: #2e485c;
            }

            .course-content > .content-section > .content-item > ul > li {
                list-style: none;
                content: none;
                padding: 12px 0;
                margin: 0;
                max-width: 350px;
            }

    .course-content .content-section .content-item ul > li:before {
        list-style: none;
        content: none;
    }

    .course-content > .content-section > .content-item > ul > li:hover {
        background-color: #f5f5f5;
    }

    .course-content > .content-section > .content-item > ul {
        margin: 0;
        padding-top: 30px;
    }

        .course-content > .content-section > .content-item > ul > li > i {
            margin-right: 10px;
        }

        .course-content > .content-section > .content-item > ul > li > div {
            font-style: normal;
            font-weight: 400;
            font-size: 14px;
            line-height: 20px;
            color: #2e485c;
        }

.active-lecture {
    background: #f5f6f7;
}

.lecture-circle {
    display: block;
    width: 20px;
    height: 20px;
    background-image: url("/image/course/uncheck_circle.svg");
}

.lecture-circle-checked {
    background-image: url("/image/course/check_circle.svg");
}

.lecture-circle-deactivated {
    color: #ddd;
    cursor: not-allowed;
}

.lecture-circle-lock {
    display: block;
    width: 20px;
    height: 20px;
    background-image: url("/image/icon/lock-icon.svg");
    background-position: center;
    background-repeat: no-repeat;
}

.course-content > .lecture-content > .course-content-below > div {
    padding: 25px;
    min-height: 200px;
}

/*.lecture-content .overview > h2 {
    font-weight: 500;
    font-size: 24px;
    line-height: 125%;
    letter-spacing: -0.015em;
    color: #2E485C;
    margin-bottom: 16px;
}

.lecture-content .overview > p {
    font-weight: 400;
    font-size: 14px;
    line-height: 20px;
    color: #2E485C;
}
*/

.lecture-content > .tabs {
    border-bottom: 1px solid #d5dade;
    width: 100%;
    display: flex;
    flex-direction: row;
    margin-top: 6px;
}

    .lecture-content > .tabs > li {
        list-style: none;
        padding: 6px 6px;
        /*margin: 0 20px;*/
        margin-left: 20px;
        font-weight: 500;
        font-size: 14px;
        line-height: 20px;
        letter-spacing: 0.02em;
        color: #2e485c;
        cursor: pointer;
        transition: border 150ms ease;
    }

        .lecture-content > .tabs > li:hover:not(.activeTab) {
            border-bottom: 3px solid #1376bb6e;
        }

.activeTab {
    border-bottom: 3px solid #1376bb;
    cursor: default !important;
}

.playNextVideo {
    position: absolute;
    display: flex;
    width: 100%;
    height: 100%;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.6);
    flex-direction: column;
    justify-content: center;
    align-content: center;
    align-items: center;
}

    .playNextVideo > span {
        font-weight: 400;
        font-size: 16px;
        line-height: 24px;
        text-align: center;
        color: #ffffff;
    }

    .playNextVideo > h5 {
        font-weight: 500;
        font-size: 24px;
        line-height: 125%;
        letter-spacing: -0.015em;
        text-align: center;
        color: #ffffff;
        margin-top: 16px;
        margin-bottom: 40px;
    }

    .playNextVideo > div {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 4px;
        background: radial-gradient(closest-side, white 79%, transparent 80% 100%), conic-gradient(#fff calc(var(--progress-value) * 1%), transparent 0);
    }

        .playNextVideo > div > div {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-position: 14px;
            background-repeat: no-repeat;
            background-image: url("/image/course/play_arrow.svg");
            clip: rect(0px, 75px, 150px, 0px);
            background-color: #2c2c2c;
        }

    .playNextVideo > button {
        font-weight: 500;
        font-size: 16px;
        line-height: 22px;
        text-align: center;
        color: #ffffff;
        width: 60px;
        background-color: transparent;
        border: none;
        margin-top: 24px;
        cursor: pointer;
    }

.aiAssistant {
    max-width: 700px;
    display: flex;
    gap: 24px;
    flex-direction: column;
    margin: auto;
}

    .aiAssistant > .askQuestion {
        display: flex;
        padding: 16px 24px;
        align-items: center;
        gap: 8px;
        border-radius: 8px;
        border: 1px solid #abb6be;
        background: #fff;
    }

    .aiAssistant > h3 {
        color: #586d7d;
        font-size: 14px;
        font-family: Poppins;
        line-height: 20px;
        margin: 0 23px;
    }

    .aiAssistant > .askQuestion > input {
        color: #586d7d;
        font-size: 14px;
        font-family: Poppins;
        line-height: 20px;
        border: none;
        flex-grow: 1;
    }

        .aiAssistant > .askQuestion > input:focus,
        .aiAssistant > .askQuestion > input:focus-visible,
        .aiAssistant > .askQuestion > input:focus-within {
            border: none;
            outline: none;
        }

    .aiAssistant > .askQuestion > button {
        border-radius: 64px;
        background: #1376bb;
        display: flex;
        height: 38px;
        padding: 12px 16px;
        align-items: center;
        gap: 8px;
        color: #fff;
        border: none;
        cursor: pointer;
    }

    .aiAssistant > .answer {
        border-radius: 8px;
        background: #f5f6f7;
        max-height: 300px;
        overflow: auto;
    }

        .aiAssistant > .answer > div {
            display: flex;
            padding: 24px;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }

            .aiAssistant > .answer > div > .header {
                display: flex;
                justify-content: center;
                align-items: center;
                gap: 8px;
            }

            .aiAssistant > .answer > div > .header {
                color: #2e485c;
                font-size: 16px;
                font-family: Poppins;
                font-weight: 500;
                line-height: 22px;
            }

                .aiAssistant > .answer > div > .header > img {
                    width: 32px;
                    height: 32px;
                    margin-right: 8px;
                }

            .aiAssistant > .answer > div > p {
                color: #586d7d;
                font-size: 14px;
                font-family: Poppins;
                line-height: 20px;
                margin-top: 8px;
            }

.cursorAnimate {
    animation: blink 1s steps(2, start) infinite;
}

@keyframes blink {
    to {
        visibility: hidden;
    }
}

.dotsLoader {
    width: 56px;
    height: 26.9px;
    background: radial-gradient(circle closest-side, #1376bb 90%, #0000) 0% 50%, radial-gradient(circle closest-side, #1376bb 90%, #0000) 50% 50%, radial-gradient(circle closest-side, #1376bb 90%, #0000) 100% 50%;
    background-size: calc(100% / 3) 13.4px;
    background-repeat: no-repeat;
    animation: dots-7ar3yq 1s infinite linear;
}

@keyframes dots-7ar3yq {
    20% {
        background-position: 0% 0%, 50% 50%, 100% 50%;
    }

    40% {
        background-position: 0% 100%, 50% 0%, 100% 50%;
    }

    60% {
        background-position: 0% 50%, 50% 100%, 100% 0%;
    }

    80% {
        background-position: 0% 50%, 50% 50%, 100% 100%;
    }
}

@media screen and (max-width: 767px) {
    .headerSection > div {
        flex-direction: column;
        padding: 0;
    }

    .inside-container {
        margin: 20px 0 0;
    }

    .about-the-course > div {
        flex-direction: column;
    }

        .about-the-course > div > div:last-child {
            border-left: none;
            margin: 0 0 40px;
            padding: 0;
        }

    .page-container {
        margin: 0 20px;
    }

    .card-container {
        padding: 30px 0;
    }

        .card-container .row-container {
            flex-direction: column;
        }

        .card-container .page-container h3 {
            margin-bottom: 20px;
        }

    .p-card {
        margin: 0;
    }

    .what-you-learn {
        margin: 0;
    }

        .what-you-learn > div {
            flex-direction: column;
        }

            .what-you-learn > div > div {
                padding: 40px 0px;
            }

                .what-you-learn > div > div:last-child {
                    padding: 0 0 40px;
                }

    .about-the-course > div > div {
        padding: 20px 0;
    }

    .what-you-learn .topics {
        flex-direction: column;
    }

        .what-you-learn .topics > div {
            width: 100%;
        }

    .headerSection > div > div > img {
        max-width: 100%;
    }

    .videoBox img {
        width: 100%;
        height: auto;
    }

    .headerSection h2 {
        font-size: 28px;
        line-height: 32px;
    }

    .stick-section {
        left: 0;
        right: 0;
        top: 139px;
        border-top: 1px solid #ddd;
        height: auto;
    }

        .stick-section .blueButton {
            margin: 0 auto;
        }

        .stick-section > h2 {
            font-size: 16px;
        }

    .course-container {
        flex-direction: column;
    }

    .course-item {
        width: 100%;
    }

    .content-container {
        margin-top: 35px;
    }

    .course-content {
        flex-direction: column-reverse;
    }

        .course-content > .content-section {
            width: 100%;
            height: auto;
        }
}