fix: css

Author: harry-whorlow

examples/react/custom-devtools/src/App.tsx

@@ -21,7 +21,7 @@ export default function App() {
     <div>
       <h1>Custom plugins</h1>
       <h2>Count: {count}</h2>
-      <div style={{ display: 'grid', gap: '4px' }}>
+      <div style={{ display: 'flex', gap: '4px' }}>
         <button onClick={increment}>+ increase</button>
         <button onClick={decrement}>− decrease</button>
       </div>