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