.nm-ink{position:relative;width:100%;height:640px;overflow:hidden;border-radius:16px;background:#000;animation:nmink-fadein 1s ease both}
@keyframes nmink-fadein{from{opacity:0}to{opacity:1}}
.nm-ink__canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.nm-ink__reset{
  position:absolute; top:10px; right:10px; z-index:2;
  width:36px; height:36px; border-radius:50%;
  background:rgba(0,0,0,.5); color:#fff; border:1px solid rgba(255,255,255,.35);
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  opacity:.0; transition:opacity .2s ease, transform .2s ease; transform:translateY(-4px);
}
.nm-ink:hover .nm-ink__reset{ opacity:1; transform:none; }
.nm-ink__reset:focus{ outline:2px solid rgba(255,255,255,.6); outline-offset:2px }