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