Element block pseudo-element :after generated with z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 12px padding 20px transition background box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px border 0px rgba(0,0,0,1) solid width 160px transform line-height 2 cursor default overflow hidden height auto position static display block float none border-radius font-weight normal