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