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