h3 {
    margin: 0;
}

.main {
    margin: 50px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 90vw;
    max-width: 1200px;
    position: relative;
    font-size: 1rem;
    text-align: justify;
}

@media (max-width: 600px) {
    .main {
        margin: 5rem 3rem;
    }
}