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