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//
// Base styles
//
.btn {
display: inline-block;
font-weight: $btn-font-weight;
text-align: center;
white-space: nowrap;
vertical-align: middle;
touch-action: manipulation;
cursor: pointer;
user-select: none;
border: $border-width solid transparent;
@include button-size($btn-padding-y, $btn-padding-x, $font-size-base, $line-height, $btn-border-radius);
@include transition(all .2s ease-in-out);
&,
&:active,
&.active {
&:focus,
&.focus {
@include tab-focus();
}
}
@include hover-focus {
text-decoration: none;
}
&.focus {
text-decoration: none;
}
&:active,
&.active {
background-image: none;
outline: 0;
@include box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
}
&.disabled,
&:disabled,
fieldset[disabled] & {
cursor: $cursor-disabled;
opacity: .65;
@include box-shadow(none);
}
}
// Future-proof disabling of clicks on `<a>` elements
a.btn.disabled,
fieldset[disabled] a.btn {
pointer-events: none;
}
//
// Alternate buttons
//
.btn-primary {
@include button-variant($btn-primary-color, $btn-primary-bg, $btn-primary-border);
}
.btn-secondary {
@include button-variant($btn-secondary-color, $btn-secondary-bg, $btn-secondary-border);
}
.btn-info {
@include button-variant($btn-info-color, $btn-info-bg, $btn-info-border);
}
.btn-success {
@include button-variant($btn-success-color, $btn-success-bg, $btn-success-border);
}
.btn-warning {
@include button-variant($btn-warning-color, $btn-warning-bg, $btn-warning-border);
}
.btn-danger {
@include button-variant($btn-danger-color, $btn-danger-bg, $btn-danger-border);
}
// Remove all backgrounds
.btn-primary-outline {
@include button-outline-variant($btn-primary-bg);
}
.btn-secondary-outline {
@include button-outline-variant($btn-secondary-border);
}
.btn-info-outline {
@include button-outline-variant($btn-info-bg);
}
.btn-success-outline {
@include button-outline-variant($btn-success-bg);
}
.btn-warning-outline {
@include button-outline-variant($btn-warning-bg);
}
.btn-danger-outline {
@include button-outline-variant($btn-danger-bg);
}
//
// Link buttons
//
// Make a button look and behave like a link
.btn-link {
font-weight: normal;
color: $link-color;
border-radius: 0;
&,
&:active,
&.active,
&:disabled,
fieldset[disabled] & {
background-color: transparent;
@include box-shadow(none);
}
&,
&:focus,
&:active {
border-color: transparent;
}
@include hover {
border-color: transparent;
}
@include hover-focus {
color: $link-hover-color;
text-decoration: $link-hover-decoration;
background-color: transparent;
}
&:disabled,
fieldset[disabled] & {
@include hover-focus {
color: $btn-link-disabled-color;
text-decoration: none;
}
}
}
//
// Button Sizes
//
.btn-lg {
// line-height: ensure even-numbered height of button next to large input
@include button-size($btn-padding-y-lg, $btn-padding-x-lg, $font-size-lg, $line-height-lg, $btn-border-radius-lg);
}
.btn-sm {
// line-height: ensure proper height of button next to small input
@include button-size($btn-padding-y-sm, $btn-padding-x-sm, $font-size-sm, $line-height-sm, $btn-border-radius-sm);
}
//
// Block button
//
.btn-block {
display: block;
width: 100%;
}
// Vertically space out multiple block buttons
.btn-block + .btn-block {
margin-top: 5px;
}
// Specificity overrides
input[type="submit"],
input[type="reset"],
input[type="button"] {
&.btn-block {
width: 100%;
}
}
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