body {
    margin: auto;
    width: 60%;
}

h2.secondary_title {
    font-size: 25px;
    font-style: italic;
}

p.abstract {
    margin-right:auto
}

h1 {
    font-size: 35px;
}

p {
    font-size: 20px;
}

img.img {
    width: 200px;  
    height: auto;  
}

div.link {
    font-size: 20px;
}

h3.person {
    font-size: 20px;
}

h2.section_title {
    text-decoration: underline;
}