engine/app/assets/stylesheets/locomotive/_buttons.scss

@import "compass/css3";
@import "compass/css3/border-radius";
@import "compass/css3/images";
@import "compass/css3/text-shadow";

@mixin black-button {
  display: inline-block;

  position: relative;

  cursor: pointer;

  border: 1px solid #000;
  @include border-radius(5px);

  line-height: 17px !important;

  padding: 5px 10px 7px 10px;

  @include background-image(linear-gradient(top, #474850, #1f2027));
  @include box-shadow(rgba(0, 0, 0, 0.3) 1px 1px 0px 0px);

  font-size: 12px;
  color: #fff;
  text-decoration: none;
  @include text-shadow(rgba(0, 0, 0, 0.8), 0px, 1px, 0px);

  &:hover {
    @include background-image(linear-gradient(top, #575862, #2f303b));
  }

  &:active {
    top: 1px;
  }
}

@mixin light-button {
  display: inline-block;

  font-family: "Lucida Grande";

  position: relative;
  cursor: pointer;
  line-height: 12px;

  padding: 8px 10px 10px 10px;

  border: 0px;
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  @include border-radius(5px);
  @include background-image(linear-gradient(top, #ebedf4, #d2d6e1));
  @include box-shadow(rgba(0, 0, 0, 0.3) 1px 1px 0px 0px);

  font-size: 12px;
  color: #6B6D7A;
  text-decoration: none;
  @include text-shadow(rgba(255, 255, 255, 0.8), 0px, 1px, 0px);

  &:hover, &.hover {
    @include background-image(linear-gradient(top, #fff, #d7dbe7));
  }

  &:active {
    top: 1px;
  }
}

@mixin gray-button {
  position: relative;
  padding: 2px 10px 3px 31px;

  background-color: #ebedf4;
  @include border-radius(10px);
  @include box-shadow(rgba(0, 0, 0, 0.4) 1px 1px 0px 0px);

  color: #8b8d9a;
  text-decoration: none;
  font-size: 11px;
  margin-left: 10px;

  outline: none;

  em {
    position: absolute;
    top: 5px;
    left: 10px;

    display: block;
    height: 16px;
    width: 16px;

    background: transparent image-url("locomotive/icons/actions.png") no-repeat 0 0;
  }

  &.show em { background-position: 0 0; }
  &.edit em { background-position: 0 -16px; top: 2px; left: 12px; }
  &.download em { background-position: 0 -32px; }
  &.new em { background-position: 0 -48px; top: 4px; left: 13px; }

  &:hover, &.hover {
    text-decoration: none;
    color: #333;
  }

  &:active, &.active {
    top: 1px;
  }
}

@mixin blue-button {
  display: inline-block;

  position: relative;

  cursor: pointer;

  border: 1px solid rgba(0, 0, 0, 0.4);
  border-bottom-color: rgba(0, 0, 0, 0.6);
  @include border-radius(5px);

  line-height: 19px !important;

  padding: 0px 7px;

  @include background-image(linear-gradient(top, #2abaf1, #228dda));
  @include box-shadow(rgba(0, 0, 0, 0.2) 0px 1px 0px 0px, rgba(255, 255, 255, 0.5) 0px 1px 0px 0px inset);

  font-size: 12px;
  color: #fff;
  text-decoration: none;
  @include text-shadow(rgba(0, 0, 0, 0.8), 0px, 1px, 0px);

  &:hover {
    @include background-image(linear-gradient(top, #26a1e9, #0d6893));
  }

  &:active {
    top: 1px;
  }
}