Element block pseudo-class :active generated with box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default background font-size 16px margin 0px transition width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) position static border-radius font-weight normal transform float none height auto line-height 1 z-index auto border 0px rgba(0,0,0,1) solid display block overflow hidden padding 20px