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