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// Button variants
//
// Easily pump out default styles, as well as :hover, :focus, :active,
// and disabled options for all buttons
@mixin button-variant(
$background,
$border,
$color: color-contrast($background),
$hover-background: if($color == $color-contrast-light, darken($background, 7.5%), lighten($background, 7.5%)),
$hover-border: if($color == $color-contrast-light, darken($border, 10%), lighten($border, 5%)),
$hover-color: color-contrast($hover-background),
$active-background: if($color == $color-contrast-light, darken($background, 10%), lighten($background, 10%)),
$active-border: if($color == $color-contrast-light, darken($border, 12.5%), lighten($border, 5%)),
$active-color: color-contrast($active-background),
$disabled-background: $background,
$disabled-border: $border,
$disabled-color: color-contrast($disabled-background)
) {
color: $color;
@include gradient-bg($background);
border-color: $border;
@include box-shadow($btn-box-shadow);
&:hover {
color: $hover-color;
@include gradient-bg($hover-background);
border-color: $hover-border;
}
.btn-check:focus + &,
&:focus {
color: $hover-color;
@include gradient-bg($hover-background);
border-color: $hover-border;
@if $enable-shadows {
@include box-shadow($btn-box-shadow, 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5));
} @else {
// Avoid using mixin so we can pass custom focus shadow properly
box-shadow: 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5);
}
}
.btn-check:checked + &,
.btn-check:active + &,
&:active,
&.active,
.show > &.dropdown-toggle {
color: $active-color;
background-color: $active-background;
// Remove CSS gradients if they're enabled
background-image: if($enable-gradients, none, null);
border-color: $active-border;
&:focus {
@if $enable-shadows {
@include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5));
} @else {
// Avoid using mixin so we can pass custom focus shadow properly
box-shadow: 0 0 0 $btn-focus-width rgba(mix($color, $border, 15%), .5);
}
}
}
&:disabled,
&.disabled {
color: $disabled-color;
background-color: $disabled-background;
// Remove CSS gradients if they're enabled
background-image: if($enable-gradients, none, null);
border-color: $disabled-border;
}
}
@mixin button-outline-variant(
$color,
$color-hover: color-contrast($color),
$active-background: $color,
$active-border: $color,
$active-color: color-contrast($active-background)
) {
color: $color;
border-color: $color;
&:hover {
color: $color-hover;
background-color: $active-background;
border-color: $active-border;
}
.btn-check:focus + &,
&:focus {
box-shadow: 0 0 0 $btn-focus-width rgba($color, .5);
}
.btn-check:checked + &,
.btn-check:active + &,
&:active,
&.active,
&.dropdown-toggle.show {
color: $active-color;
background-color: $active-background;
border-color: $active-border;
&:focus {
@if $enable-shadows {
@include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba($color, .5));
} @else {
// Avoid using mixin so we can pass custom focus shadow properly
box-shadow: 0 0 0 $btn-focus-width rgba($color, .5);
}
}
}
&:disabled,
&.disabled {
color: $color;
background-color: transparent;
}
}
// Button sizes
@mixin button-size($padding-y, $padding-x, $font-size, $border-radius) {
padding: $padding-y $padding-x;
@include font-size($font-size);
// Manually declare to provide an override to the browser default
@include border-radius($border-radius, 0);
}
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