.container {
    max-width: 600px;
    margin: auto;
}

.form_main{
    padding: 4rem 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px #000000b9;
    border: 1px solid black;
}

form input {
    text-align: center;
}

h2, h4 {
    text-align: center;
    margin-bottom: 20px;
}