.leaf{transition:transform 1.3s cubic-bezier(.45,.05,.55,.95);transform-box:fill-box;transform-origin:center}
.leaf:hover{filter:brightness(1.12)}
#piq.cold{animation:shiver .25s linear infinite}
@keyframes shiver{50%{transform:translateX(2px)}}
#zzz{opacity:0;transition:opacity .8s}
#zzz.on{opacity:1}