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