// 
// Button Variants
// ------------------------------

.button-variant(@color; @background;) {
  #gradient .vertical( lighten(@background, 4%), darken(@background, 4%));
  background-color: @background;
  color: @color;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.18);

  &:hover,
  &:focus {
    #gradient .vertical( lighten(@background, 8%), @background);
    background-color: lighten(@background, 5%);
    color: @color;
    outline: none;
    text-decoration: none;
  }
  &:active {
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.1);
    background: darken(@background, 5%);
  }
}