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