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