.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 20px;
}

.video-thumbnail {
    position: relative;
    margin: 10px;
    cursor: pointer;
    width: 200px;
    height: 150px;
    background-size: cover;
}

.video-thumbnail img {
    width: 200px;
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 36px;
    color: white;
    opacity: 0.8;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    color: #ccc;
    cursor: pointer;
}

@media (max-width: 768px) {
    .video-thumbnail {
        width: 100%;
        margin-bottom: 10px;
        height: auto;
    }
    
    .video-thumbnail img {
        width: 100%;   
    }
}