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