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