.youtube-player {
    position: relative;
    padding-bottom: 56.23%;
    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: 0 0
    }
.youtube-player img {
    bottom: 0;
    display: block;
    left: 0;
    margin: auto;
    max-width: 100%;
    width: 100%;
    position: absolute;
    right: 0;
    top: 0;
    border: none;
    height: auto;
    cursor: pointer;
    -webkit-transition: 0.4s all;
    -moz-transition: 0.4s all;
    transition: 0.4s all
    }
.youtube-player img:hover {
    -webkit-filter: brightness(75%)
    }
.youtube-player .play {
    height: 72px;
    width: 72px;
    left: 50%;
    top: 50%;
    margin-left: -36px;
    margin-top: -36px;
    position: absolute;
    background: url(/i.imgur.com/TxzC70f.png) no-repeat;
    cursor: pointer
    }
div[class^=video-] {
    width: 100%;
    overflow: hidden
    }
.video-right {
    float: right
    }
.video-left {
    float: left
    }
.video-center {
    margin: 0 auto
    }
.clearfix:after, .clearfix:before {
    content: "";
    display: table
    }
.clearfix:after {
    clear: both
    }