main section {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

main section.buttons {
    margin-top: 50px;
}

main section.text {
    width: 80%;

    max-width: 1000px;
    line-height: 140%;
}

main section a.btn {
    width: 80%;
    margin: 20px auto;
    display: block;
}

main section a.btn input {
    padding: 1rem;
    width: 100%;

    box-sizing: border-box;
}