.lux-btn{letter-spacing:1px;text-transform:uppercase;cursor:pointer;padding:10px 22px;font-size:12px;transition:color .35s;display:inline-block;position:relative;overflow:hidden}.lux-btn span{z-index:2;position:relative}.lux-btn:before{content:"";z-index:1;background:red;border-radius:50%;width:140%;height:270%;transition:transform 1s cubic-bezier(.19,1,.22,1),bottom 1s cubic-bezier(.19,1,.22,1);position:absolute;bottom:-180%;left:50%;transform:translate(-50%)scale(.3)}.lux-btn:hover:before{bottom:-40%;transform:translate(-50%)scale(1)}.lux-btn:hover{color:#fff;border-color:red}