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