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