.p{position:relative;display:inline-block;overflow:hidden;padding:0 5px;z-index:1}.p:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:100%;background-color:#c2ff74;transform:translateX(-100%);transition:transform .4s ease;z-index:-1}.p:hover:after{transform:translateX(0)}