Add css

src/app.js

@@ -25,7 +25,7 @@ class Verification extends React.Component {
     }
     render() {
         return (
-           <div>
+           <div className="App">
                <ul>
                    {this.state.verifications.map((data) => (
                        <li key={data.UserID}> <Card {...data} /></li>