Element block pseudo-element :after generated with z-index auto transition font-weight normal font-size 16px position static box-sizing content-box cursor default background border-radius transform padding 20px float none display block width 160px line-height 1 overflow hidden margin 0px border 10px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto