Upsexed the colors just a bit

app/next-env.d.ts

@@ -2,4 +2,4 @@
 /// <reference types="next/image-types/global" />
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/basic-features/typescript for more information.
+// see https://nextjs.org/docs/pages/building-your-application/configuring/typescript for more information.

app/src/styles/Home.module.css

@@ -29,7 +29,6 @@
 }
 
 .title a {
-  color: #0d76fc;
   text-decoration: none;
 }
 
@@ -72,15 +71,17 @@
   text-decoration: none;
   border: 1px solid #eaeaea;
   border-radius: 10px;
-  transition: color 0.15s ease, border-color 0.15s ease;
+  transition:
+    color 0.15s ease,
+    border-color 0.15s ease;
   max-width: 350px;
 }
 
 .card:hover,
 .card:focus,
 .card:active {
-  color: #0d76fc;
-  border-color: #0d76fc;
+  color: var(--accent-color);
+  border-color: var(--border-color);
 }
 
 .card h2 {

app/src/styles/globals.css

@@ -1,14 +1,68 @@
+:root {
+  --bg-color: #1a1a1a;
+  --text-color: #ffffff;
+  --accent-color: #f00000;
+  --border-color: #800000;
+  --hover-color: #fff000;
+}
+
+body {
+  background-color: var(--bg-color);
+  color: var(--text-color);
+}
+
 html,
 body {
   padding: 0;
   margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
-    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
+  font-family:
+    -apple-system,
+    BlinkMacSystemFont,
+    Segoe UI,
+    Roboto,
+    Oxygen,
+    Ubuntu,
+    Cantarell,
+    Fira Sans,
+    Droid Sans,
+    Helvetica Neue,
+    sans-serif;
 }
 
 a {
   color: inherit;
   text-decoration: none;
+  color: var(--accent-color);
+}
+
+a:hover {
+  color: var(--hover-color);
+}
+
+button {
+  background-color: var(--accent-color);
+  color: var(--bg-color);
+  border: 2px solid var(--border-color);
+  padding: 10px;
+  cursor: pointer;
+}
+
+button:hover {
+  background-color: var(--hover-color);
+}
+
+header,
+footer {
+  background-color: var(--border-color);
+  padding: 20px;
+  text-align: center;
+}
+
+input {
+  background-color: var(--bg-color);
+  color: var(--text-color);
+  border: 1px solid var(--border-color);
+  padding: 5px;
 }
 
 * {

app/src/wagmi.ts

@@ -1,21 +1,15 @@
 import { getDefaultConfig } from '@rainbow-me/rainbowkit';
 import {
-  arbitrum,
   base,
-  mainnet,
-  optimism,
-  polygon,
   sepolia,
+  foundry
 } from 'wagmi/chains';
 
 export const config = getDefaultConfig({
   appName: 'RainbowKit App',
   projectId: 'YOUR_PROJECT_ID',
   chains: [
-    mainnet,
-    polygon,
-    optimism,
-    arbitrum,
+    foundry,
     base,
     ...(process.env.NEXT_PUBLIC_ENABLE_TESTNETS === 'true' ? [sepolia] : []),
   ],