html {
    scroll-behavior: smooth;
}

.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}

.blue {
    color: #408080;
}
.gray {
    color: #808080;
}

body {
    font-family: verdana, arial, helvetica, sans-serif;
    background-image: url('../images/background.gif');
}

.main {
    margin-top: 2%;
    margin-right: 20%;
    margin-left: 20%;
    background-color: white;
    border: .1vw solid black;
}

.nav {
    color: #408080;
    text-align: center;
    font-weight: normal; 
    font-size: .92vw; 
    font-family: verdana, arial, helvetica, sans-serif;
}

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

.element {
    display: inline-block;
}

.nav a {
    color: #408080;
    text-decoration: none;
    font-weight: bold;
}

.content {
    padding-left: 5%;
    padding-right: 5%;
    border-top: .1vw solid black;
    margin-top: 1%;
}

.header {
    padding-top: 2%;
    padding-bottom: 2%;
    font-size: 1.7vw; 
    font-family: verdana, arial, helvetica, sans-serif;
    color: #408080;
}

.footer {
    text-align: center;
    border-top: 1px solid gray;
}

.footer button {
    border: none;
    text-align: center;
    text-decoration: none;
    font-size: 10px;
    cursor: pointer;
}

.footer p {
    margin: 0;
    color: gray;
    font-size: .8vw;
}

.footer a {
    color: gray;
}

h3 {
    font-size: 1.2vw; 
    font-family: verdana, arial, helvetica, sans-serif;
}

p {
    font-family: verdana, arial, helvetica, sans-serif;
    font-size: 1vw;
}

 table {
    font-size: .8vw;
    border-collapse: collapse;

}

.divider { 
    border-bottom: 1px solid black;
}

.row {
    border:1px solid black; 
}

li {
    padding-bottom: .5vw;
}

.books a {
    color: #408080;
    font-style: italic;
    font-weight: bold;
}

.abstract {
    font-size: .85vw;
}

li{
    margin: 10px 0;
}

@media only screen and (max-width:500px) {
    /* Phones */
    body {
        margin-right: 0;
        margin-left: 0;
    }
    .main {
        margin: 0;
        border: none;
    }
    .nav {
        font-size: 3vw
    }
    .header {
        font-size: 6vw;
    }
    h3 {
        font-size: 3.2vw;
    }
    p {
        font-size: 3vw;
    }
    .abstract {
        font-size: 2.4vw;
    }
    .footer p {
        font-size: 2vw;
    }
    table { 
        font-size: 2vw;
    }
}