.zil {
  display: inline-block;
  vertical-align: middle;
  width: 1em;
  height: 1em;
}
.zil svg {
  width: 100%;
  height: 100%;
  display: block;
  color: currentColor;
  font-size: inherit;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.zil-large { font-size: 2em; }
.zil-small { font-size: 0.75em; }