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