Element block pseudo-element :before generated with height auto border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none overflow hidden line-height 1 border 0px rgba(0,0,0,1) solid font-weight normal transition cursor default padding 20px box-sizing content-box position static margin 0px font-size 14px background display block z-index auto width 300px transform