client/css/bootstrap/mixins/forms.styl
// Form validation states
//
// Used in forms to generate the form validation CSS for warnings, errors,
// and successes.
form-control-validation($text-color = #555, $border-color = #ccc, $background-color = #f5f5f5)
// Color the label and help text
.help-block,
.control-label,
.radio,
.checkbox,
.radio-inline,
.checkbox-inline,
&.radio label,
&.checkbox label,
&.radio-inline label,
&.checkbox-inline label
color $text-color
// Set the border and box shadow on specific inputs to match
.form-control
border-color $border-color
box-shadow inset 0 1px 1px rgba(0, 0, 0, .075) // Redeclare so transitions work
&:focus
border-color darken($border-color, 10%)
box-shadow inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 6px lighten($border-color, 20%)
// Set validation states also for addons
.input-group-addon
color $text-color
border-color $border-color
background-color $background-color
// Optional feedback icon
.form-control-feedback
color $text-color
// Form control focus state
//
// Generate a customized focus state and for any input with the specified color,
// which defaults to the `$input-border-focus` variable.
//
// We highly encourage you to not customize the default value, but instead use
// this to tweak colors on an as-needed basis. This aesthetic change is based on
// WebKit's default styles, but applicable to a wider range of browsers. Its
// usability and accessibility should be taken into account with any change.
//
// Example usage change the default blue border and shadow to white for better
// contrast against a dark gray background.
form-control-focus($color = $input-border-focus)
$color-rgba = rgba(red($color), green($color), blue($color), .6)
&:focus
border-color $color
outline 0
box-shadow inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px $color-rgba
// Form control sizing
//
// Relative text size, padding, and border-radii changes for form controls. For
// horizontal sizing, wrap controls in the predefined grid classes. `<select>`
// element gets special love because it's special, and that's a fact!
input-size($input-height, $padding-vertical, $padding-horizontal, $font-size, $line-height, $border-radius)
height $input-height
padding $padding-vertical $padding-horizontal
font-size $font-size
line-height $line-height
border-radius $border-radius
select&
height $input-height
line-height $input-height
textarea&,
select[multiple]&
height auto