body{background-color:#fff;margin:0}.darkmode body{background-color:hsla(0,0%,100%,.9)}.nightmode body{background-color:hsla(0,0%,100%,.85)}.video-rule{width:100%;-webkit-box-sizing:border-box;box-sizing:border-box;padding:21px 26px 50px 15px;font-size:15px;color:#515154}.darkmode .video-rule{color:hsla(0,0%,100%,.65)}.nightmode .video-rule{color:hsla(0,0%,100%,.5)}.video-rule-title{font-size:18px}.video-rule-samll-title{padding-top:15px}