.menuButton{transition:background-color .5s;position:relative}.menuButton:hover img{opacity:1}.menuButton:before{height:0;transition:all 1s}.menuButton.active:before{content:"";pointer-events:none;z-index:-1;background-color:#fff;background-color:lab(100% 0 0);width:80%;height:45vh;transition:all 1s;animation:.5s forwards showFilter;position:absolute;top:-100%;left:0;transform:perspective(8em)rotateX(35deg)}@keyframes showFilter{0%{filter:blur(20px)}to{filter:blur(50px)}}