html {
    -webkit-text-size-adjust: 100%;
}
body {
    font: 13px/21px 'verdana';
    color: #111;
    margin: 0;
    margin-left: 8em;
}
p {
    margin: 1em 0;
}
a {
    color: #888;
    text-decoration: none;
}
a:hover, a:focus {
    color: #111;
    text-decoration: none;
}
h1, h2, h3 {
    margin: 0 0 1em 0;
    font: 40px/40px 'verdana', normal;
}
h1 {
    letter-spacing: -0.5px;
}
h2 {
    margin: 0.5em 0;
    font-size: 25px;
    line-height: 25px;
}
h3 {
    margin: 1em 0;
    font-size: 16px;
    line-height: 16px;
}
.row {
    position: relative;
    margin: 4em 0;
}
.center {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 5% 0 5%;
}
.box {
    position: relative;
}
.left {
    float: left;
    max-width: 40%;
    padding-right: 5%;
}
.right {
    float: right;
    max-width: 50%;
    padding-left: 5%;
}
.picture {
    width: 100%;
}
.text {
    display: table-cell;
    vertical-align: bottom;
}
.abstract {
    padding: 0.5em 0;
    margin: 0 2em 0 2em;
}
.header {
    margin: 10em 0 1em 0;
}
.footer {
    margin: 10em 0 2em 0;
}
.navbar {
    position: fixed;
    top: 2em;
    left: 1em;
    display: flex;
    flex-direction: column;
    gap: 0.5em;
}
.contact-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
}
.contact-list span {
    white-space: nowrap;
}
@media (max-width: 800px) {
    .row {
        margin: 3em 0;
    }
    .header {
        margin: 5em 0 1em 0;
    }
    .footer {
        margin: 5em 0 1em 0;
    }
}
@media (max-width: 600px) {
    h1, h2, h3 {
        margin: 0;
    }
    body {
        margin-left: 0;
    }
    .navbar {
        position: static;
        flex-direction: row;
        justify-content: center;
        margin-bottom: 1em;
    }
    .row {
        padding: 0.3em 5% 0.3em 5%;
        margin: 2em 0;
    }
    .box {
        float: none;
        margin-left: auto;
        margin-right: auto;
    }
    .left {
        float: left;
        max-width: 100%;
        padding-right: 0;
    }
    .right {
        float: left;
        max-width: 100%;
        padding-left: 0;
    }
    .picture {
        display: none;
    }
    .header {
        margin: 3em 0 1em 0;
    }
    .footer {
        margin: 3em 0 1em 0;
    }
}