.containerForm {
    max-width: 600px;
    margin: 1em auto;
    background: #fff;
    padding: 1.5em;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
}
h2 {
    margin-bottom: 20px;
    color: #333;
}
.form-group {
    margin-bottom: 1em;
}
.form-group label {
    display: block;
    margin-bottom: .3em;
}
.form-group input,
.form-group textarea {
    width: 95%;
    padding: .9em;
    border: 1px solid #ddd;
    border-radius: 5px;
}
.form-group textarea {
    resize: vertical;
}
.btn {
    display: inline-block;
    padding: 10px 20px;
    color: #fff;
    background-color: #007BFF;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
.btn:hover {
    background-color: #0056b3;
}