* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 1rem;
    background-color: aquamarine;
    text-align: center;
    overflow-wrap: anywhere;
}

.top-link {
    max-width: 48rem;
    margin: 0 auto;
    text-align: left;
}

h1, h2 {
    line-height: 1.3;
}

.profile {
    width: min(100%, 48rem);
    margin: 0 auto;
    padding: 0.75rem 1rem;
    border: 1px solid black;
    text-align: left;
}

.profile p {
    margin: 0.75rem 0;
    line-height: 1.6;
}

@media (max-width: 600px) {
    body {
        padding: 0.75rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .profile {
        padding: 0.5rem 0.75rem;
    }
}