.registration-container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #333;
}

.form-group {
   display:block;
   padding:8px;
   width:90%;
   border:1px solid #cdcdcd;
   background:#f2f2f2; 
    margin:5px;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    background-color: #007BFF;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.error-border {
    border: 1px solid red !important;
}

.error-message {
    color: red;
    font-size: 0.8rem;
    display: block;
    margin-top: 5px;
}

#responseMessage {
    text-align: center;
    margin-top: 1rem;
    font-weight: bold;
}