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