.sound-overlay{z-index:99999;position:absolute;top:0;left:0;width:100%;height:100%;text-align:center;opacity:.9;background:#000}.sound-text{position:relative;top:50%;transform:translateY(-50%);color:#fff;font-size:20px;text-shadow:1px 0 0 #000,0 -1px 0 #000,0 1px 0 #000,-1px 0 0 #000}