Update fallback images for grid cards

apple/OmnivoreKit/Sources/Views/FeedItem/GridCard.swift

@@ -107,18 +107,26 @@ public struct GridCard: View {
     .cornerRadius(5)
   }
 
+  var fallbackFont: Font {
+    if let uifont = UIFont(name: "Futura Bold", size: 16) {
+      return Font(uifont)
+    }
+    return Font.system(size: 16)
+  }
+
   var fallbackImage: some View {
     GeometryReader { geo in
       HStack {
-        Text(item.unwrappedTitle.prefix(1))
-          .font(Font.system(size: 128, weight: .bold))
-          .offset(CGSize(width: -48, height: 12))
-          .frame(alignment: .bottomLeading)
-          .foregroundColor(Gradient.randomColor(str: item.unwrappedTitle, offset: 1))
+        Text(item.unwrappedTitle)
+          .font(fallbackFont)
+          .frame(alignment: .center)
+          .multilineTextAlignment(.leading)
+          .lineLimit(2)
+          .padding(10)
+          .foregroundColor(Color.themeMiddleGray)
       }
       .frame(maxWidth: .infinity, maxHeight: .infinity)
-      .background(Gradient.randomColor(str: item.unwrappedTitle, offset: 0))
-      .background(LinearGradient(gradient: Gradient(fromStr: item.unwrappedTitle)!, startPoint: .top, endPoint: .bottom))
+      .background(Color.thLightWhiteGrey)
       .frame(width: geo.size.width, height: geo.size.height)
     }
   }