.form-group {
    margin-bottom: 15px;
}  
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 5px;
    font-size: 16px;
}

.form-group label.required::after {
    content: "*";
    color: red;
}