body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
    margin: 0;
}
.container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 350px;
}
h2 {
    margin-bottom: 15px;
    color: #333;
}
input {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
}
button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}
button:nth-child(3) {
    background-color: #007BFF;
    color: white;
}
button:nth-child(4) {
    background-color: #28a745;
    color: white;
}
button:nth-child(5) {
    background-color: #DB4437;
    color: white;
}
.logout {
    background-color: #dc3545;
    color: white;
}
#message {
    margin-top: 10px;
    color: red;
    font-weight: bold;
}
@media (max-width: 400px) {
    .container {
        width: 90%;
    }
}