```css
/* --------------------------------
   Basic settings
-------------------------------- */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #fdfdfc;
    color: #26343b;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 17px;
    line-height: 1.6;
}


/* --------------------------------
   Main container
-------------------------------- */

.container {
    width: 90%;
    max-width: 720px;
    margin: 0 auto;
    padding: 90px 0 60px;
}


/* --------------------------------
   Introduction
-------------------------------- */

.intro h1 {
    margin: 0 0 6px;
    font-size: 32px;
    font-weight: normal;
    line-height: 1.2;
}

.affiliation {
    margin: 0;
    color: #61727b;
    font-size: 16px;
    line-height: 1.5;
}

.bio {
    max-width: 650px;
    margin-top: 35px;
    margin-bottom: 0;
}
.intro-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
}

.intro-text {
    flex: 1;
}

.profile-photo {
    width: 150px;
    height: auto;
    display: block;
}

/* --------------------------------
   Main navigation
-------------------------------- */

.main-nav {
    display: flex;
    flex-direction: column;
    margin-top: 65px;
    gap: 10px;
}

.main-nav a {
    color: #536b78;
    font-size: 20px;
    text-decoration: none;
}

.main-nav a:hover {
    color: #26343b;
    text-decoration: underline;
}

/* --------------------------------
   Footer
-------------------------------- */

footer {
    display: flex;
    gap: 22px;
    margin-top: 75px;
    font-size: 15px;
}

footer a {
    color: #61727b;
    text-decoration: none;
}

footer a:hover {
    color: #26343b;
    text-decoration: underline;
}

/* --------------------------------
   Mobile
-------------------------------- */

@media (max-width: 600px) {

    .container {
        width: 88%;
        padding-top: 55px;
    }

    .intro h1 {
        font-size: 28px;
    }

    body {
        font-size: 16px;
    }

    .main-nav {
        margin-top: 50px;
    }

    footer {
        margin-top: 60px;
    }
}
```
```css
/* --------------------------------
   Research page
-------------------------------- */

.page-header {
    margin-bottom: 80px;
}

.page-header  {
    color: #61727b;
    text-decoration: none;
}

.page-header h1 {
    margin: 0 0 15px;
    font-size: 32px;
    font-weight: bold;
    line-height: 1.2;
}

.page-header a {
    color: #61727b;
    font-size: 15px;
    text-decoration: none;
}

.page-header a:hover {
    text-decoration: underline;
}

.research-section {
    margin-bottom: 25px;
}

.research-section h2 {
    margin: 0 0 20px;
    font-size: 20px;
    font-weight: bold;
}


.research-section h2 {
    color: #61727b;
    text-decoration: none;
}

.research-section p {
    margin: 0;
    max-width: 650px;
}


```