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