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