Element block pseudo-element :after generated with border-radius display block overflow hidden position static transform border 4px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto font-size 16px background font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none cursor default transition z-index auto padding 20px line-height 1 width 160px box-sizing content-box margin 0px