body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
    display: flex; 
    justify-content: center; 
    align-items: center; 
    min-height: 100vh;
}

.container {
    max-width: 800px;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    text-align: center; 
}
h1 {
    text-align: center;
}

input[type="text"] {
    width: 94%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 100px;
}

button {
    display: block;
    margin: 10px auto;
    padding: 10px 20px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#output {
    text-align: center;
    font-weight: bold;
    margin-top: 20px;
}