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