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