body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 18px;
    line-height: 1.6;
    color: #2c3e50;
    background: #ffffff;
    padding: 0 2rem;
}

header {
    margin: 0 auto 1.5rem;
    max-width: 650px;
    padding-bottom: 0.5em;
    border-bottom: 1px solid #e1e4e8;
}

.headline {
    display: flex;
    justify-content: space-between;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

p {
}

.contact-links {
    display: flex;
    justify-content: space-between;
}

.contact-links a {
    color: #4a90e2;
    text-decoration: none;
}

main {
    display: flex;
    margin: 0 auto;
    max-width: 650px;
}

section {
    margin-bottom: 3rem;
}

.intro p {
    line-height: 1.7;
    text-align: justify;
}

@media (max-width: 600px) {
    body {
        font-size: 15px;
        margin: 0 auto 1.5rem;
    }

    h1 {
        font-size: 1rem;
    }

    .intro p {
        text-align: left;
    }
}