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Bootstrap/less/mixins/buttons.less
Patrick H. Lauke 068675c72c Darker style focus/hover on active buttons
Currently, hovering with mouse or setting focus on a button which is
active has same styling as on a non-active button. This results in
problems for keyboard users, who set focus on a toggle and activate it,
but cannot visually see that their action had any effect. Ditto for
mouse users hovering over a toggle and clicking it. This adds an
explicit additional style for focus/hover on active buttons.
Note that this does not address issues of browser focus remaining on a
button after a mouse click (e.g. #13971), as this will likely require
extra JavaScript to fix.
2015-03-25 22:52:49 +00:00

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// Button variants
//
// Easily pump out default styles, as well as :hover, :focus, :active,
// and disabled options for all buttons
.button-variant(@color; @background; @border) {
color: @color;
background-color: @background;
border-color: @border;
&:focus,
&.focus {
color: @color;
background-color: darken(@background, 10%);
border-color: darken(@border, 25%);
}
&:hover {
color: @color;
background-color: darken(@background, 10%);
border-color: darken(@border, 12%);
}
&:active,
&.active,
.open > .dropdown-toggle& {
color: @color;
background-color: darken(@background, 10%);
border-color: darken(@border, 12%);
&:hover,
&:focus,
&.focus {
color: @color;
background-color: darken(@background, 17%);
border-color: darken(@border, 25%);
}
}
&:active,
&.active,
.open > .dropdown-toggle& {
background-image: none;
}
&.disabled,
&[disabled],
fieldset[disabled] & {
&,
&:hover,
&:focus,
&.focus,
&:active,
&.active {
background-color: @background;
border-color: @border;
}
}
.badge {
color: @background;
background-color: @color;
}
}
// Button sizes
.button-size(@padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
padding: @padding-vertical @padding-horizontal;
font-size: @font-size;
line-height: @line-height;
border-radius: @border-radius;
}