Element block pseudo-class :active generated with z-index auto float none font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid background padding 20px width 100% cursor default transition font-size 16px overflow hidden display block box-sizing content-box height auto line-height 1 position static margin 0px transform border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2)