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