html {
    scroll-behavior: smooth;
}

body {
    font-family: monospace;
    height: 100%;
    background: white;
}

header {
    text-align: center;
    width: 100%;
    background: white;
    position: fixed;
    top: 0;
}

nav {
    color: #aaa;
    padding-bottom: 0.4em;
}

nav a,
nav a:visited {
    color: black;
}

.full-height {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.space {
    height: 20vh;
}

footer {
    text-align: center;
    padding: 0 18px;
}

.content,
.about {
    max-width: 1000px;
    margin: auto;
}

.content {
    margin-top: 6em;
}

#work,
#research {
    position: relative;
    top: -6em;
}

.about {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.profile {
    width: 47%;
}

.contact {
    text-align: left;
}

.collapsible {
    background-color: #777;
    color: white;
    cursor: pointer;
    width: 100%;
    border: none;
    outline: none;
}

.active,
.collapsible.hover {
    background-color: #555;
}

.description {
    padding: 0 20px;
    margin-bottom: 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
    background-color: #f1f1f1;
}

h1 {
    font-family: monospace;
    font-weight: normal;
    font-size: 1.5em;
    letter-spacing: 6px;
}

h2 {
    width: 100%;
    color: #888;
    font-size: 20;
    font-family: monospace;
    font-weight: normal;
    text-align: center;
    letter-spacing: 5px;
    padding-bottom: 2em;
}

a {
    color: blue;
    background-color: white;
    transition: 0.5s;
}

a:visited {
    color: blue
}

a:hover {
    color: black;
}

p,
li {
    color: #555;
}

li {
    list-style-type: none;
}

li:before {
    content: '+';
    margin-left: -20px;
    margin-right: 10px;
}

@media only screen and (max-width: 992px) {

    /* mobile */
    body,
    h2 {
        font-size: 20pt;
    }

    nav {
        font-size: 23pt;
    }

}

@media only screen and (min-width: 993px) {

    /* desktop */
    body,
    h2,
    nav {
        font-size: 11pt;
    }
}