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