client/css/bootstrap/mixins/list-group.styl
// List Groups
list-group-item-variant($state, $background, $color)
.list-group-item-{$state}
color $color
background-color $background
a&
color $color
.list-group-item-heading
color inherit
&:hover,
&:focus
color $color
background-color darken($background, 5%)
&.active,
&.active:hover,
&.active:focus
color #fff
background-color $color
border-color $color