.signup-heading {
    font-size: 1.5em;
    margin-bottom: 20px;
    text-align: center;
}
.server-response.success-msg {
    color: #155724;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    text-align: center;
}
.server-response.error-msg {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    text-align: center;
}
#confirmation_code {
    font-size: 1.5em;
    letter-spacing: 0.5em;
    text-align: center;
    width: 220px;
    padding: 10px;
    margin: 10px 0;
    border: 1.5px solid #007bff;
    border-radius: 6px;
    background: #f9f9f9;
}
input#confirm-btn {
    width: 100%;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 10px;
    font-size: 1.1em;
    cursor: pointer;
    margin-top: 10px;
}
input#confirm-btn:hover {
    background: #0056b3;
}