.rainbow{cursor:pointer;background:0 0;border:none;width:100%;height:100%;margin:0;padding:0;animation:.2s fadeIn}.rainbow__wrapper{flex-direction:column;width:100%;height:100%;transition:box-shadow .2s;display:flex}.rainbow__wrapper>*{flex:1;transition:flex .2s,background-color .4s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}