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