.popover{position:relative;z-index:99}.mention-item{padding:.5rem .75rem;z-index:90;position:relative;background-color:#fff;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);cursor:pointer}.mention-selected{background-color:#f7fafc;cursor:pointer}.sidebar-enter-active,.sidebar-leave-active{transition:transform .5s ease-in-out;transform:translateZ(0)}.sidebar-enter,.sidebar-leave-to{transform:translate3d(100%,0,0)}