patternfly/dist/less/bootstrap-mixin-overrides.less

This reference implementation of PatternFly is based on [Bootstrap v3](http://getbootstrap.com/). Think of PatternFly as a "skinned" version of Bootstrap with additional components and customizations.

// Mixins - Bootstrap overrides
// -------------------

// Form control outline
.form-control-outline(@color: @input-border-focus) {
  @color-rgba: rgba(red(@color), green(@color), blue(@color), .6);
  &:focus {
    border-color: @color;
    outline: 0 !important;
    .box-shadow(~"inset 0 1px 1px rgba(3, 3, 3, 0.075), 0 0 8px @{color-rgba}");
  }
}

// Gradients
#gradient {
  .striped(@color: fade(@color-pf-black, 15%); @angle: -45deg) {
    background-image: linear-gradient(@angle, @color 25%, @color 26%, transparent 27%, transparent 49%, @color 50%, @color 51%, transparent 52%, transparent 74%, @color 75%, @color 76%, transparent 77%);
  }
}

// Horizontal dividers
.nav-divider(@color: @color-pf-black-200, @margin: 4px 1px) {
  background-color: @color;
  height: 1px;
  margin: @margin;
  overflow: hidden;
}

// Placeholder text
.placeholder(@color: @input-color-placeholder) {
  &:-moz-placeholder            { color: @color; font-style: italic; } // Firefox 4-18
  &::-moz-placeholder           { color: @color; font-style: italic; opacity: 1; } // Firefox 19+
  &:-ms-input-placeholder       { color: @color; font-style: italic; } // Internet Explorer 10+
  &::-webkit-input-placeholder  { color: @color; font-style: italic; } // Safari and Chrome
}