.w3-signal-yellow{color:#fff;background-color:#f7ba0b}.w3-signal-orange{color:#fff;background-color:#d4652f}.w3-signal-red{color:#fff;background-color:#a02128}.w3-signal-violet{color:#fff;background-color:#904684}.w3-signal-blue{color:#fff;background-color:#154889}.w3-signal-green{color:#fff;background-color:#317f43}.w3-signal-grey{color:#fff;background-color:#9b9b9b}.w3-signal-brown{color:#fff;background-color:#7b5141}.w3-signal-white{color:#000;background-color:#f4f4f4}.w3-signal-black{color:#fff;background-color:#282828}