Element block pseudo-class :active generated with font-weight bold float none display inline-block box-shadow 0px 0px 1px rgba(255,255,255,0.8) transition z-index auto position static border 1px rgba(211,211,211,1) solid outline none overflow visible padding 1.5em width auto opacity 1 box-sizing content-box margin 0.5em border-radius height auto line-height 2em transform background font-size 1em cursor default text-shadow 0px 1px 0px rgba(255,255,255,0.8)