forked from twbs/bootstrap
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buttons.less
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buttons.less
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// BUTTON STYLES
// -------------
// Colors
// ------
.btn {
// Set text color
&.primary,
&.primary:hover,
&.danger,
&.danger:hover,
&.success,
&.success:hover,
&.info,
&.info:hover {
text-shadow: 0 -1px 0 rgba(0,0,0,.25);
color: @white
}
&.primary {
.buttonBackground(@primaryButtonBackground, spin(@primaryButtonBackground, 15));
}
// Danger and error appear as red
&.danger {
.buttonBackground(#ee5f5b, #c43c35);
}
// Success appears as green
&.success {
.buttonBackground(#62c462, #57a957);
}
// Info appears as a neutral blue
&.info {
.buttonBackground(#5bc0de, #339bb9);
}
}
// Mixin for generating button backgrounds
// ---------------------------------------
.buttonBackground(@startColor, @endColor) {
// gradientBar will set the background to a pleasing blend of these, to support IE<=9
.gradientBar(@startColor, @endColor);
// in these cases the gradient won't cover the background, so we override
&:hover, &:active, &.active, &.disabled {
background-color: @endColor;
}
// called out separately because IE8 would ignore otherwise
&[disabled] {
background-color: @endColor;
}
// IE 7 + 8 can't handle box-shadow to show active, so we darken a bit ourselves
&:active,
&.active {
background-color: darken(@endColor, 10%) e("\9");
}
}
// Base styles
// -----------
.btn {
// Button Base
display: inline-block;
padding: 4px 10px 4px;
font-size: @baseFontSize;
line-height: @baseLineHeight;
color: @grayDark;
text-shadow: 0 1px 1px rgba(255,255,255,.75);
#gradient > .vertical-three-colors(@white, @white, 25%, darken(@white, 10%)); // Don't use .gradientbar() here since it does a three-color gradient
border: 1px solid #ccc;
border-bottom-color: #bbb;
.border-radius(4px);
@shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
.box-shadow(@shadow);
cursor: pointer;
&:hover {
color: @grayDark;
text-decoration: none;
background-color: darken(@white, 10%);
background-position: 0 -15px;
// transition is only when going to hover, otherwise the background
// behind the gradient (there for IE<=9 fallback) gets mismatched
.transition(background-position .1s linear);
}
// Focus state for keyboard and accessibility
&:focus {
outline: 1px dotted #666;
}
// Active and Disabled states
&.active,
&:active {
background-image: none;
@shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
.box-shadow(@shadow);
background-color: darken(@white, 10%);
background-color: darken(@white, 15%) e("\9");
}
&.disabled {
cursor: default;
background-image: none;
background-color: darken(@white, 10%);
.opacity(65);
.box-shadow(none);
}
&[disabled] {
// disabled pseudo can't be included with .disabled
// def because IE8 and below will drop it ;_;
cursor: default;
background-image: none;
background-color: darken(@white, 10%);
.opacity(65);
.box-shadow(none);
}
// Button Sizes
&.large {
padding: 9px 14px 9px;
font-size: @baseFontSize + 2px;
line-height: normal;
.border-radius(5px);
}
&.small {
padding: 5px 9px 5px;
font-size: @baseFontSize - 2px;
line-height: @baseLineHeight - 2px;
}
}
// Help Firefox not be a jerk about adding extra padding to buttons
button.btn,
input[type=submit].btn {
&::-moz-focus-inner {
padding: 0;
border: 0;
}
}