@mixin flash($color) {

background: $color;
color: darken($color, 60);
font-weight: bold;
margin-bottom: $base-line-height / 2;
padding: $base-line-height / 2;

a {
  color: darken($color, 70);

  &:hover {
    color: darken($color, 90);
  }
}

}