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