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