/* makes the font 33% larger relative to the icon container */
.icon-large {
  font-size: 1.3333333333333333em;
}
/* makes the font 2x larger relative to the icon container */
.icon-2x {
  font-size: 2em;
}
/* makes the font 3x larger relative to the icon container */
.icon-3x {
  font-size: 3em;
}
/* makes the font 4x larger relative to the icon container */
.icon-4x {
  font-size: 4em;
}