span {
    line-break:strict;
}
h3 {
    color:darkcyan;
}
li {
    margin-top:0.75rem;
}
body {
    max-width: 700px;
    margin: 0 auto;
    padding: 1rem;
    font-family: Arial, system-ui, sans-serif;
    line-height: 1.3;
}

<!-- header, main, footer { -->
<!--     margin-bottom: 2rem; -->
<!-- } -->
footer {
    margin-top:7rem;
}

nav a {
    margin-right: 0.5rem;
}


<!-- img { -->
<!--     max-width: 100%; -->
<!--     height: auto; -->
<!--     display: block; -->
<!-- } -->

.profile-photo {
    max-width: 300px;
    height: 700px;
    object-fit:cover;
    object-position:bottom;
    <!-- border-radius: 3%; -->
    margin-bottom: 1rem;
}

a {
    font-weight:bold;
    color:darkblue;
}

a:visited {
    color:darkred;
}

.profile {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

@media (max-width: 600px) {
    .profile-photo {
	max-height: 400px;
	min-width: 100px;
	object-fit:cover;
    }
    .profile {
	flex-direction: column;
	align-items: flex-start;
	gap: 0.5rem;
    }
}