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