.loading-placeholder{width:100%;background-color:#f8f5f5;position:relative;overflow:hidden}.loading-placeholder:before{content:"";position:absolute;top:0;left:-150%;height:100%;width:50%;background-color:#fff;animation:flash 1s infinite}@keyframes flash{0%{left:-150%}50%{left:100%}to{left:100%}}