Element block pseudo-element :after generated with z-index auto display block float none font-size 16px box-sizing content-box margin 0px padding 20px position static transform background cursor default border-radius line-height 1 width 160px font-weight normal overflow hidden transition height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 22px 1px 1px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid