body{margin:0;padding:0;font-family:system-ui,sans-serif;background-color:#f9f9f9}input,select,button{font-size:1rem;padding:.4rem .6rem;margin:.2rem 0;border-radius:4px;border:1px solid #ccc}button{background-color:#4a90e2;color:#fff;border:none;cursor:pointer;transition:background-color .2s ease-in-out}button:hover{background-color:#357abd}