.video_precontenedor{width:100%;display:flex}.control_video,.demo img,.demo li{display:block}.video-container{overflow:hidden;position:relative;width:100%}.video-container::after{padding-top:56.25%;display:block;content:''}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%}.demo{width:500px;margin:0 auto;padding:0!important}.demo ul{list-style:none;padding-left:0;margin-bottom:0}.demo li{float:left;margin-right:6px;cursor:pointer}.demo img{height:auto;max-width:100%}.demo h4{margin:0}.demo p{margin-top:0;margin-bottom:1em;padding-bottom:1em;border-bottom:1px solid #cecece}.video_fix_container{float:unset;margin-right:0;width:50%}