My little book of css tricks, not the site.

CSS tricks

* {
    position: relative;
}

a {
    transition: all 0.2s ease;
}

/* vertical align almost any element */
.vertical-align {
  position: relative;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}