// Button variants // // Easily pump out default styles, as well as :hover, :focus, :active, // and disabled options for all buttons @mixin button-variant($background, $border, $hover-background: darken($background, 7.5%), $hover-border: darken($border, 10%), $active-background: darken($background, 10%), $active-border: darken($border, 12.5%)) { color: color-yiq($background); @include gradient-bg($background); border-color: $border; @include box-shadow($btn-box-shadow); @include hover() { color: color-yiq($hover-background); @include gradient-bg($hover-background); border-color: $hover-border; } &:focus, &.focus { color: color-yiq($hover-background); @include gradient-bg($hover-background); border-color: $hover-border; @if $enable-shadows { @include box-shadow($btn-box-shadow, 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5)); } @else { // Avoid using mixin so we can pass custom focus shadow properly box-shadow: 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5); } } // Disabled comes first so active can properly restyle &.disabled, &:disabled { color: color-yiq($background); background-color: $background; border-color: $border; // Remove CSS gradients if they're enabled @if $enable-gradients { background-image: none; } } &:not(:disabled):not(.disabled):active, &:not(:disabled):not(.disabled).active, .show > &.dropdown-toggle { color: color-yiq($active-background); background-color: $active-background; @if $enable-gradients { background-image: none; // Remove the gradient for the pressed/active state } border-color: $active-border; &:focus { @if $enable-shadows and $btn-active-box-shadow != none { @include box-shadow($btn-active-box-shadow, 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5)); } @else { // Avoid using mixin so we can pass custom focus shadow properly box-shadow: 0 0 0 $btn-focus-width rgba(mix(color-yiq($background), $border, 15%), .5); } } } } @mixin button-outline-variant($color, $color-hover: color-yiq($color), $active-background: $color, $active-border: $color) { color: $color; border-color: $color; @include hover() { color: $color-hover; background-color: $active-background; border-color: $active-border; } &:focus, &.focus { box-shadow: 0 0 0 $btn-focus-width rgba($color, .5); } &.disabled, &:disabled { color: $color; background-color: transparent; } &:not(:disabled):not(.disabled):active, &:not(:disabled):not(.disabled).active, .show > &.dropdown-toggle { color: color-yiq($active-background); background-color: $active-background; border-color: $active-border; &:focus { @if $enable-shadows and $btn-active-box-shadow != none { @include box-shadow($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); } } } } // Button sizes @mixin button-size($padding-y, $padding-x, $font-size, $line-height, $border-radius) { padding: $padding-y $padding-x; @include font-size($font-size); line-height: $line-height; // Manually declare to provide an override to the browser default @include border-radius($border-radius, 0); }