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