delete hsl()

src/web/css/form.css

@@ -34,7 +34,7 @@
     gap: 10px;
     align-items: center;
     justify-content: center;
-    background-color: hsl(from black h s 20%);
+    background-color: gray;
     /* opacity: 0.7; */
     border-radius: 20px;
     padding: 10px;