Element block pseudo-element :after generated with overflow hidden background transition transform font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block border-radius box-sizing content-box height auto opacity 1 font-weight normal cursor default margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 z-index auto position static padding 20px border 18px rgba(0,0,0,1) solid float none outline none width 160px