p {
    text-align: center;
    font-size: large;
}

h1 {
    text-align: center;
}

h3 {
    text-align: center;
    font-size: 50px;
}

.sub_page {
    text-align: center;
}

.submit_form {
    text-align: center;
    align-content: center;
}