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