h4.soundon{background:#b69d74;color:#fff;font-size:18px;margin:0;padding:10px;text-align:center}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}-webkit-@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}h4.soundon svg{fill:#fff;height:20px}h4.soundon span,h4.soundon svg{display:inline-block;width:20px}h4.soundon span{vertical-align:middle}