main {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-direction: column;
    flex: 1;

    section {
        margin-top: 120px;
        padding: 0 80px;

        h1,
        h2,
        h3,
        h4,
        p {
            text-align: left;
        }
    }
}

/* mobile */
@media (max-width: 767px) {
    main {
        section {
            padding: 0 20px;
        }
    }
}