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//
// Buttons
// --------------------------------------------------
// Base styles
// --------------------------------------------------
.btn {
display: inline-block;
margin-bottom: 0; // For input.btn
font-weight: @btn-font-weight;
text-align: center;
vertical-align: middle;
touch-action: manipulation;
cursor: pointer;
background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
border: 1px solid transparent;
white-space: nowrap;
.button-size(@padding-base-vertical; @padding-base-horizontal; @font-size-base; @line-height-base; @btn-border-radius-base);
.user-select(none);
&,
&:active,
&.active {
&:focus,
&.focus {
.tab-focus();
}
}
&:hover,
&:focus,
&.focus {
color: @btn-default-color;
text-decoration: none;
}
&:active,
&.active {
outline: 0;
background-image: none;
.box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
}
&.disabled,
&[disabled],
fieldset[disabled] & {
cursor: @cursor-disabled;
.opacity(.65);
.box-shadow(none);
}
a& {
&.disabled,
fieldset[disabled] & {
pointer-events: none; // Future-proof disabling of clicks on `<a>` elements
}
}
}
// Alternate buttons
// --------------------------------------------------
.btn-default {
.button-variant(@btn-default-color; @btn-default-bg; @btn-default-border);
}
.btn-primary {
.button-variant(@btn-primary-color; @btn-primary-bg; @btn-primary-border);
}
// Success appears as green
.btn-success {
.button-variant(@btn-success-color; @btn-success-bg; @btn-success-border);
}
// Info appears as blue-green
.btn-info {
.button-variant(@btn-info-color; @btn-info-bg; @btn-info-border);
}
// Warning appears as orange
.btn-warning {
.button-variant(@btn-warning-color; @btn-warning-bg; @btn-warning-border);
}
// Danger and error appear as red
.btn-danger {
.button-variant(@btn-danger-color; @btn-danger-bg; @btn-danger-border);
}
// Link buttons
// -------------------------
// Make a button look and behave like a link
.btn-link {
color: @link-color;
font-weight: normal;
border-radius: 0;
&,
&:active,
&.active,
&[disabled],
fieldset[disabled] & {
background-color: transparent;
.box-shadow(none);
}
&,
&:hover,
&:focus,
&:active {
border-color: transparent;
}
&:hover,
&:focus {
color: @link-hover-color;
text-decoration: @link-hover-decoration;
background-color: transparent;
}
&[disabled],
fieldset[disabled] & {
&: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
.button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @btn-border-radius-large);
}
.btn-sm {
// line-height: ensure proper height of button next to small input
.button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @btn-border-radius-small);
}
.btn-xs {
.button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @btn-border-radius-small);
}
// 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%;
}
}