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