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