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