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