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