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