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