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