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