_custom_buttons.scss

//
// Base styles
//

.btn {
	display: inline-block;
	font-family: $btn-font-family;
	font-weight: $btn-font-weight;
	line-height: $btn-line-height;
	color: $body-color;
	text-align: center;
	text-decoration: if($link-decoration == none, null, none);
	white-space: $btn-white-space;
	vertical-align: middle;
	cursor: if($enable-button-pointers, pointer, null);
	user-select: none;
	background-color: transparent;
	border: $btn-border-width solid transparent;
	@include button-size(
		$btn-padding-y,
		$btn-padding-x,
		$btn-font-size,
		$btn-border-radius
	);
	@include transition($btn-transition);

	&:hover {
		text-decoration: if($link-hover-decoration == underline, none, null);
	}

	.btn-check:focus + &,
	&:focus {
		outline: 0;
		box-shadow: $btn-focus-box-shadow;
	}

	.btn-check:checked + &,
	.btn-check:active + &,
	&:active,
	&.active {
		@include box-shadow($btn-active-box-shadow);

		&:focus {
			@include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
		}
	}

	&:disabled,
	&.disabled,
	fieldset:disabled & {
		pointer-events: none;
		opacity: $btn-disabled-opacity;
		@include box-shadow(none);
	}
}

//
// Alternate buttons
//

// scss-docs-start btn-variant-loops
@each $color, $value in $theme-colors {
	.btn-#{$color} {
		@include button-variant($value, $value);
	}
}

@each $color, $value in $theme-colors {
	.btn-outline-#{$color} {
		@include button-outline-variant($value);
	}
}
// scss-docs-end btn-variant-loops

//
// Link buttons
//

// Make a button look and behave like a link
.btn-link {
	font-weight: $font-weight-normal;
	color: $btn-link-color;
	text-decoration: $link-decoration;

	&:hover {
		color: $btn-link-hover-color;
		text-decoration: $link-hover-decoration;
	}

	&:focus {
		text-decoration: $link-hover-decoration;
	}

	&:disabled,
	&.disabled {
		color: $btn-link-disabled-color;
	}

	// No need for an active state here
}

//
// Button Sizes
//

.btn-lg {
	@include button-size(
		$btn-padding-y-lg,
		$btn-padding-x-lg,
		$btn-font-size-lg,
		$btn-border-radius-lg
	);
}

.btn-sm {
	@include button-size(
		$btn-padding-y-sm,
		$btn-padding-x-sm,
		$btn-font-size-sm,
		$btn-border-radius-sm
	);
}