body {
    background-color: #F0F7FF;
}

.header {
    background-image: linear-gradient(rgba(255, 255, 255, 0.33), rgba(255, 255, 255, 0.51)), url("../img/back-image.png");
    background-size: cover;
    background-position: center;
}

.course-box .detail-box2 .courses-title {
    height: 60px;
}

.sidebar {
    top: 85px;
}

.desc-section {
    top: -85px;
}

.detail-box .title {
    color: #25447d;
}

.detail-box .price {
    color: #B3B3B3;
}

.detail-box .offer {
    color: #2b4a83;
}

.detail-box {
    height: fit-content;
    background-color: white;
}

.videos-list .accordion-button .item {
    border-left: 2px solid #72beffc4;
}

.videos-list .accordion-button .border-custom {
    border-top: 2px solid #72beff !important;
}

.videos-list .accordion-button .item:last-child {
    border: 0;
}

.videos-list .accordion-button:not(.collapsed) {
    color: black !important;
    border-bottom: 1px solid #dadada;
    background-color: rgba(114, 190, 255, 0.22);
}

.videos-list .accordion .accordion-button:focus {
    box-shadow: none;
}

.courses:before {
    content: '';
    position: absolute;
    width: 25%;
    height: 25%;
    right: 0;
    top: -5%;
    background: #72beffc4;
    filter: blur(120px);
    opacity: 0.8;
    z-index: 0;
}

/* .courses .course-box .img-box:after{
    content:'';
    position: absolute;
    width: 100%;
    height: 100%;
    right: 0;
    top: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, #000000 100%);
    z-index: 1;
} */
.courses .detail-box2 {
    background-color: white;
    top: calc(100% - 3rem);
    z-index: 2;
}

.courses a:hover .detail-box2 .price {
    color: black;
    transition: 0.5s;
}

.courses a:hover .detail-box2 .title {
    color: #4a6ea8;
    transition: 0.5s;
}

.courses a:hover .detail-box2 {
    background-color: #72beffc4;
    transition: 0.5s;
}

.courses a:hover .border-bottom {
    border-color: white !important;
    transition: 0.5s;
}

.courses a:hover .detail-box2 .offer {
    color: #1f3763;
    transition: 0.5s;
}

.courses .detail-box2 .title {
    color: #25447d;
}

.courses .detail-box2 .price {
    color: #B3B3B3;
}

.courses .detail-box2 .offer {
    color: #2b4a83;
}

.price-box {
    height: 65px;
}

.form-custom .form-control:focus {
    border-color: #72beffc4;
    box-shadow: 0 0 0 .25rem rgba(114, 190, 255, 0.4);
}

.form-custom .form-control {
    border-radius: 72px;
    background-color: #f9f9f9;
}

.form-custom .form-control:focus~label::after {
    background-color: #f9f9f9;
}

.form-custom textarea {
    min-height: 100px !important;
    border-radius: 30px !important;
}

.cm-box .head {
    border-bottom: 1px solid #25447d;
}

.comments .cm-box:last-child {
    margin-bottom: 0 !important;
}

@media (max-width: 576px) {
    .sidebar {
        top: 75px;
    }

    .desc-section {
        top: -75px;
    }

    .price-box {
        height: 55px;
    }
}

@media (min-width: 576px) and (max-width: 768px) {
    .sidebar {
        top: 75px;
    }

    .desc-section {
        top: -75px;
    }

    .price-box {
        height: 55px;
    }
}

@media (min-width: 768px) and (max-width: 992px) {
    .sidebar {
        top: 75px;
    }

    .desc-section {
        top: -75px;
    }

    .price-box {
        height: 55px;
    }
}

@media (min-width: 992px) and (max-width: 1200px) {}

@media (min-width: 1200px) and (max-width: 1400px) {}

@media (min-width: 1400px) {}