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