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