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