@mixin blue-button {
  display: block;
  height: 35px;
  padding: 0 15px;
  border-radius: 3px;
  border: 1px solid #2d81ad;
  @include linear-gradient(top, #6dccf1, #38a8e5);
  font-size: 13px;
  font-weight: 700;
  line-height: 32px;
  color: #fff;
  text-shadow: 0 1px 0 rgba(0, 0, 0, .3);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset, 0 1px 1px rgba(0, 0, 0, .15);

  &:hover, &:focus {
    border-color: #297095;
    @include linear-gradient(top, #4fbbe4, #2090d0);
  }
}

@mixin white-button {
  display: block;
  height: 35px;
  padding: 0 15px;
  border-radius: 3px;
  border: 1px solid #444;
  @include linear-gradient(top, #eee, #ccc);
  font-size: 13px;
  font-weight: 700;
  line-height: 32px;
  color: #333;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset, 0 1px 1px rgba(0, 0, 0, .15);

  &:hover, &:focus {
    @include linear-gradient(top, #fff, #ddd);
  }
}

@mixin dark-grey-button {
  display: block;
  height: 35px;
  padding: 0 15px;
  border-radius: 3px;
  border: 1px solid #222;
  background: -webkit-linear-gradient(top, #777, #555);
  font-size: 13px;
  font-weight: 700;
  line-height: 32px;
  color: #fff;
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.6);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset, 0 1px 1px rgba(0, 0, 0, .15);

  &:hover, &:focus {
    background: -webkit-linear-gradient(top, #888, #666);
  }
}