footer {
   border-top: 2px solid $gray-light;
   margin: round($padding-lg * 2);
   padding: round($padding-lg * 2);
   color: $gray;
   text-align: center;
   width: 600px;
   margin: auto;

   .fa {
      font-size: $font-size-lg;
      margin-left: $padding-base;
   }
}