body {
    background: #f5f5f5;
}

#registerForm {
    max-width: 600px;
    margin: 30px auto;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

#registerForm .form-control {
    height: 45px;
    font-size: 14px;
}

#registerForm .input-group-text svg {
    width: 20px;
    height: 20px;
}

#registerForm button[type=submit] {
    height: 45px;
    font-weight: bold;
}

#registerForm label {
    font-weight: 600;
}