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