.btn {
  background: $btn-default-bg;
  border: 2px solid $btn-default-border-color;
  border-radius: $btn-default-radius;
  color: $btn-default-color;
  display: inline-block;
  font-size: $font-size-small;
  line-height: 2;
  padding: 0 20px;
  text-decoration: none;
  transition-property: background-color;
  the-transition();

  &:hover {
    background: $btn-default-hover-bg;
    border-color: $btn-default-hover-border-color;
    color: $btn-default-hover-color;
  }

  + .btn {
    margin: 0 0 8px 8px;
  }

  .fa-fw {
    text-align: left;
    width: (18em / 14);
  }
}