.header {
        display: flex;
        align-items: flex-start;
        gap: 35px;

        margin-bottom: 40px;
	margin-top: 60px;
    }

    .portrait {
        width: 230px;
    }

    .bio h1 {
        margin-top: 0;
        margin-bottom: 8px;
    }

@media (max-width: 900px) {

     nav {
	     flex-direction: column;
	     gap: 8px;
     }

    .header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .portrait {
        width: 180px;
    }

    nav a {
	    font-size: 0.8em;
	    margin-right: 8px;
    }

}

body {
	max-width: 900px;
	margin: 40px auto;
	padding: 20px;
	font-family: Georgia, serif;
	line-height: 1.6;
	color: #222;
	background-image: url("images/nue_endomorphism.png");
	background-repeat: repeat;
	background-color: #ffffff;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 0;
}

.subtitle {
    color: #666;
    margin-bottom: 30px;
}

nav a {
    margin-right: 18px;
    color: #0b5f7a;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

nav a.active {
    color: #0b5f7a;
	font-weight: bold;
}


nav {
	display: flex;
	justify-content: space-between;
	aligh-items: center;
}

.nav-right {
	font-size: 0.9em;
}

.nav-right a {
	margin: 0 2px;
}

section {
    margin-top: 50px;
}


.social-links {
        margin-top: 25px;
    }

.social-links a {
    font-size: 28px;
    margin-right: 15px;
    color: #0b5f7a;
    text-decoration: none;
}

.publications li {
	margin-bottom: 1.5em;
}