body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f0f4f8;
    text-align: center;
}

.container {
    width: 400px;
    margin: 100px auto;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 10px gray;
}

h1 {
    color: #2c7a7b;
}

input {
    padding: 10px;
    width: 200px;
    font-size: 16px;
}

button {
    padding: 10px 20px;
    margin-left: 10px;
    background-color: #2c7a7b;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #285e61;
}

#message {
    margin-top: 25px;
    color: #333;
}