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