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