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