body {
    background-image: url('../img/background.png');
    background-size: cover;
    background-attachment: fixed;
    justify-content: center;
    align-items: center;
}
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}
.card-header {
    background-color: #007bff;
    color: #fff;
    border-radius: 10px 10px 0 0;
    padding: 20px;
    text-align: center;
}
.card-body {
    padding: 30px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    font-weight: bold;
}
#register-button {
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    width: 100%;
    cursor: pointer;
}
#register-button:hover {
    background-color: #0056b3;
}