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