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