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