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<pre class="prettyprint lang-js">@function linear-gradient-bevel($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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lighten($bg-color, 15%),
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lighten($bg-color, 8%) 30%,
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$bg-color 65%,
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darken($bg-color, 6%)
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));
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}
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@function linear-gradient-glossy($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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lighten($bg-color, 15%),
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lighten($bg-color, 5%) 50%,
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$bg-color 51%,
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darken($bg-color, 5%)
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));
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}
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@function linear-gradient-recessed($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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darken($bg-color, 10%),
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darken($bg-color, 5%) 10%,
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$bg-color 65%,
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lighten($bg-color, .5%)
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));
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}
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@function linear-gradient-matte($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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lighten($bg-color, 3%),
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darken($bg-color, 4%)
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));
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}
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@function linear-gradient-matte-reverse($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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darken($bg-color, 6%),
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lighten($bg-color, 4%)
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));
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}
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@function linear-gradient-panel-header($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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adjust-color($bg-color, $hue: -0.857deg, $saturation: -1.63%, $lightness: 3.529%),
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adjust-color($bg-color, $hue: 0.158deg, $saturation: -1.21%, $lightness: 0.392%) 45%,
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adjust-color($bg-color, $hue: 1.154deg, $saturation: 0.607%, $lightness: -7.647%) 46%,
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adjust-color($bg-color, $hue: 1.154deg, $saturation: 0.607%, $lightness: -7.647%) 50%,
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adjust-color($bg-color, $hue: 1.444deg, $saturation: -1.136%, $lightness: -4.706%) 51%,
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$bg-color
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));
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}
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@function linear-gradient-tabbar($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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adjust-color($bg-color, $hue: 0.0deg, $saturation: 1.604%, $lightness: 4.706%),
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$bg-color
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));
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}
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@function linear-gradient-tab($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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adjust-color($bg-color, $hue: 1.382deg, $saturation: -18.571%, $lightness: -4.902%),
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adjust-color($bg-color, $hue: 0.43deg, $saturation: -10.311%, $lightness: -2.157%) 25%,
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$bg-color 45%
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));
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}
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@function linear-gradient-tab-active($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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adjust-color($bg-color, $hue: -212.903deg, $saturation: -88.571%, $lightness: 6.863%),
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adjust-color($bg-color, $hue: 0.43deg, $saturation: -6.753%, $lightness: 4.706%) 25%,
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$bg-color 45%
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));
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}
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@function linear-gradient-tab-over($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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adjust-color($bg-color, $hue: 4.462deg, $saturation: -9.524%, $lightness: -3.725%),
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adjust-color($bg-color, $hue: 2.272deg, $saturation: 0.0%, $lightness: -1.569%) 25%,
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$bg-color 45%
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));
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}
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@function linear-gradient-tab-disabled($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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$bg-color,
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adjust-color($bg-color, $hue: -0.267deg, $saturation: 18.571%, $lightness: 2.941%)
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));
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}
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@function linear-gradient-grid-header($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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adjust-color($bg-color, $hue: 0deg, $saturation: 0%, $lightness: 20.392%),
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adjust-color($bg-color, $hue: 220.0deg, $saturation: 5.66%, $lightness: 12.353%)
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));
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}
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@function linear-gradient-grid-header-over($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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adjust-color($bg-color, $hue: 0.175deg, $saturation: 0.967%, $lightness: 14.118%),
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adjust-color($bg-color, $hue: 0.175deg, $saturation: 0.967%, $lightness: 14.118%) 39%,
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adjust-color($bg-color, $hue: 0.372deg, $saturation: 0.101%, $lightness: 10.196%) 40%,
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adjust-color($bg-color, $hue: 0.372deg, $saturation: 0.101%, $lightness: 10.196%)
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));
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}
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@function linear-gradient-grid-row-over($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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adjust-color($bg-color, $hue: 0.175deg, $saturation: 0.967%, $lightness: 14.118%),
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$bg-color
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));
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}
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@function linear-gradient-grid-cell-special($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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$bg-color,
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darken($bg-color, 5)
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));
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}
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@function linear-gradient-glossy-button($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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$bg-color,
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adjust-color($bg-color, $hue: 0deg, $saturation: 0%, $lightness: -2.353%) 48%,
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adjust-color($bg-color, $hue: 0deg, $saturation: 0%, $lightness: -11.373%) 52%,
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adjust-color($bg-color, $hue: 0deg, $saturation: 0%, $lightness: -9.412%)
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));
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}
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@function linear-gradient-glossy-button-over($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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$bg-color,
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adjust-color($bg-color, $hue: 1.754deg, $saturation: 0.0%, $lightness: -2.157%) 48%,
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adjust-color($bg-color, $hue: 5.833deg, $saturation: -35.135%, $lightness: -9.216%) 52%,
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adjust-color($bg-color, $hue: 5.833deg, $saturation: -27.273%, $lightness: -7.647%)
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));
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}
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@function linear-gradient-glossy-button-pressed($direction, $bg-color) {
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@return linear-gradient($direction, color_stops(
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$bg-color,
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adjust-color($bg-color, $hue: -1.839deg, $saturation: -2.18%, $lightness: 2.157%) 48%,
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adjust-color($bg-color, $hue: -2.032deg, $saturation: 37.871%, $lightness: -4.706%) 52%,
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adjust-color($bg-color, $hue: -1.641deg, $saturation: 36.301%, $lightness: -2.549%)
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));
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}
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<span id='Global_CSS-css_mixin-background-gradient'>/**
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</span> * Creates a background gradient.
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*
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* Example usage:
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* .foo {
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* @include background-gradient(#808080, matte, left);
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* }
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*
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* @param {Color} $bg-color The background color of the gradient
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* @param {String/List} [$type=$base-gradient] The type of gradient to be used. Can either
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* be a String which is a predefined gradient name, or it can can be a list of color stops.
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* If null is passed, this mixin will still set the `background-color` to $bg-color.
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* The available predefined gradient names are:
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*
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* * bevel
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* * glossy
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* * recessed
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* * matte
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* * matte-reverse
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* * panel-header
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* * tabbar
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* * tab
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* * tab-active
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* * tab-over
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* * tab-disabled
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* * grid-header
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* * grid-header-over
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* * grid-row-over
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* * grid-cell-special
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* * glossy-button
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* * glossy-button-over
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* * glossy-button-pressed
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*
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* Each of these gradient names corresponds to a function named linear-gradient[name].
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* Themes can override these functions to customize the color stops that they return.
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* For example, to override the glossy-button gradient function add a function named
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* "linear-gradient-glossy-button" to a file named "sass/etc/mixins/background-gradient.scss"
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* in your theme. The function should return the result of calling the Compass linear-gradient
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* function with the desired direction and color-stop information for the gradient. For example:
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*
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* @function linear-gradient-glossy-button($direction, $bg-color) {
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* @return linear-gradient($direction, color_stops(
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* mix(#fff, $bg-color, 10%),
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* $bg-color 50%,
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* mix(#000, $bg-color, 5%) 51%,
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* $bg-color
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* ));
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* }
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*
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* @param {String} [$direction=top] The direction of the gradient. Can either be
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* `top` or `left`.
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*
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* @member Global_CSS
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*/
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@mixin background-gradient($bg-color, $type: $base-gradient, $direction: top) {
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background-image: none;
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background-color: $bg-color;
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@if $base-gradient != null and $bg-color != transparent {
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$gradient: null;
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//color_stops
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@if type-of($type) == "list" {
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$gradient: linear-gradient($direction, $type);
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}
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//default gradients
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@else if $type == bevel {
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$gradient: linear-gradient-bevel($direction, $bg-color);
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} @else if $type == glossy {
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$gradient: linear-gradient-glossy($direction, $bg-color);
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} @else if $type == recessed {
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$gradient: linear-gradient-recessed($direction, $bg-color);
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} @else if $type == matte {
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$gradient: linear-gradient-matte($direction, $bg-color);
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} @else if $type == matte-reverse {
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$gradient: linear-gradient-matte-reverse($direction, $bg-color);
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}
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// gradients
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@else if $type == panel-header {
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$gradient: linear-gradient-panel-header($direction, $bg-color);
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} @else if $type == tabbar {
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$gradient: linear-gradient-tabbar($direction, $bg-color);
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} @else if $type == tab {
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$gradient: linear-gradient-tab($direction, $bg-color);
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} @else if $type == tab-active {
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$gradient: linear-gradient-tab-active($direction, $bg-color);
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} @else if $type == tab-over {
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$gradient: linear-gradient-tab-over($direction, $bg-color);
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} @else if $type == tab-disabled {
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$gradient: linear-gradient-tab-disabled($direction, $bg-color);
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} @else if $type == grid-header {
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$gradient: linear-gradient-grid-header($direction, $bg-color);
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} @else if $type == grid-header-over {
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$gradient: linear-gradient-grid-header-over($direction, $bg-color);
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} @else if $type == grid-row-over {
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$gradient: linear-gradient-grid-row-over($direction, $bg-color);
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} @else if $type == grid-cell-special {
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$gradient: linear-gradient-grid-cell-special($direction, $bg-color);
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} @else if $type == glossy-button or $type == glossy-button-disabled {
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$gradient: linear-gradient-glossy-button($direction, $bg-color);
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} @else if $type == glossy-button-over {
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$gradient: linear-gradient-glossy-button-over($direction, $bg-color);
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} @else if $type == glossy-button-pressed {
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$gradient: linear-gradient-glossy-button-pressed($direction, $bg-color);
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}
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@if $gradient != null {
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@include background-image($gradient);
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}
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}
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}</pre>
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