.youtube-player {
    position: relative;
    padding-bottom: 56.23%;
    /* Use 75% for 4:3 videos */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    /*margin: 5px;*/
}

.youtube-player iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    background: transparent;
}

.youtube-player img.labnolThumb {
    bottom: 0;
    display: block;
    left: 0;
    margin: auto;
    max-width: 112%;
    width: 112%;
    position: absolute;
    right: 0;
    top: 0;
    border: none;
    height: auto;
    cursor: pointer;
    -webkit-transition: .4s all;
    -moz-transition: .4s all;
    transition: .4s all;
}

.youtube-player img.labnolThumb:hover {
    -webkit-filter: brightness(75%);
}

.youtube-player .play {
    top: 50%;
    position: absolute;
    width: 100%;
    text-align: center;
    margin-top: -24px;
}
.youtube-player div img.thump-youtube {
    margin-right: -50%;
    transform: translate(-50%, -50%);
    position: absolute;
    top: 50%;
    left: 50%;
    width: 115%;
}