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