.youtube-thumbnail {
        position: relative;
        cursor: pointer;
    }

    .youtube-thumbnail img {
        width: 100%;
        height: auto;
        display: block;
    }

    .play-icon {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 60px;
        height: 60px;
        transform: translate(-50%, -50%);
        background: url('https://cdn-icons-png.flaticon.com/512/727/727245.png') no-repeat center center;
        background-size: contain;
        opacity: 0.8;
    }