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