body {
  font-family: 'Courier New', Courier, monospace;
  font-weight: 400;
  font-style: normal;
}

@media (max-width: 780px) {
    html, body {
        overflow-x: hidden;
    }
        body {
            position: relative
        }
}

header {
    text-align: center;
}

#main-content {
    margin-left: auto;
    margin-right: auto;
}

h1 {
    text-align: center;
}

h1 a {
    text-decoration: none;
    color: black;
}

#main-image {
    width: 100%;
    display: flex;
    align-items: center;
}

#below-image {
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.caption {
    text-align: center;
}

.nav a {
    text-decoration: none;
    color: black;
    font-size: 80pt;
}

.nav a.inactive {
    text-decoration: none;
    color: gray;
}

@media (max-width: 780px) {  
    #main-image .nav a {
        font-size: 40pt;
    }
}


.central-img {
    background-size: cover;
    height: 600px;
    background-repeat: no-repeat;
    margin-left: auto;
    margin-right: auto;
    margin-top: 1em;
}

@media (max-width: 780px) {  
    .central-img {
        width: 100%;
        height: auto;
    }
}

nav {
    display: block;
    text-align: center;
}

nav a {
    display: inline-block;
    padding: 2em;
    font-weight: bold;
    color: inherit;
}

@media (max-width: 780px) {
    nav {
        padding-top: 2em;
    }
    nav a {
        padding: 1em;
        display: block;
    }
    nav .separator {
        display: none;
    }
}