.icon {
  background-repeat: no-repeat;
  background-position: center;
}

.icon-inline {
  display: inline-block;
  height: 100%;
  vertical-align: top;
}

.icon-left {
  background-position: $padding-content center;
}

/**
 * 1. IE8 fallback
 */
.icon-right {
  background-position: 94% center; /* 1 */
  background-position: right $padding-content center;
}