body{font-family:Arial,sans-serif;background-color:#f0f8ff;margin:0;padding:0}.app{text-align:center;padding:20px}.search{margin-bottom:20px}input{padding:10px;width:200px;margin-right:10px;border:1px solid #ccc;border-radius:5px}button{padding:10px 15px;background-color:#007bff;color:#fff;border:none;border-radius:5px;cursor:pointer}button:hover{background-color:#0056b3}.weather-info{background:#e0f7fa;padding:20px;border-radius:10px;display:inline-block;margin-top:20px}.error{color:red;font-weight:700}