.my-class-1{background-color:#f2f2f2;color:#333;font-size:16px}.my-class-2{border:1px solid #f2f2f2;font-family:Arial,sans-serif}.my-class-3{color:#007bff;font-size:1.5rem}.my-class-4{text-align:center}.my-class-5{margin:10px;padding:5px}