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