.lds-dual-ring.load {

    display: none;

}

.lds-dual-ring {

    display: inline-block;

    width: 80px;

    height: 80px;

}

.lds-dual-ring:after {

    content: " ";

    display: block;

    width: 64px;

    height: 64px;

    margin: 5% auto;

    border-radius: 50%;

    border: 6px solid #fff;

    border-color: #fff transparent #fff transparent;

    animation: lds-dual-ring 1.2s linear infinite;

}

@keyframes lds-dual-ring {

    0% {

        transform: rotate(0deg);

    }

    100% {

        transform: rotate(360deg);

    }

}

.overlay_irt{

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: 100vh;

    background: rgba(0,0,0,.8);

    z-index: 99999999;

    opacity: 1;

    transition: all 0.5s;

}



#ez-toc-container{

    display: none;

}



.sub-mega-menu li a{

    padding-left: 40px !important;

}



.entry-content td {

    border-width: 1px !important;

}



/* Phần xuất hình video */

.youtube-wrapper {

    position: relative;

    cursor: pointer;

    display: flex;

    align-items: center;

    justify-content: center;

    width: 100%;

    aspect-ratio: 16 / 9; /* Giữ tỉ lệ 16:9 */

    overflow: hidden;

    border-radius: 8px;

}



.youtube-wrapper img {

    width: 100%;

    height: 100%;

    display: block;

    border-radius: 8px;

    transition: opacity 0.3s ease;

}



.youtube-wrapper.playing {

    display: flex;

    align-items: center;

    justify-content: center;

}



.youtube-wrapper iframe {

    position: absolute;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    border-radius: 8px;

}



/* Nút Play giống YouTube */

.play-button {

    position: absolute;

    top: 50%;

    left: 50%;

    transform: translate(-50%, -50%);

    width: 48px;

    height: 29px;

    background: red;

    border-radius: 8px;

    display: flex;

    align-items: center;

    justify-content: center;

    transition: 0.3s;

}



.play-button:hover {

    background: #c00;

}



.play-icon {

    width: 0;

    height: 0;

    border-left: 18px solid white;

    border-top: 10px solid transparent;

    border-bottom: 10px solid transparent;

}



tr:nth-child(even) {

    background-color: unset !important;

}



.module-header a {

    color: red !important;

}