@media(min-width: 700px) { 
    body {
        max-width: 600px;
    }
}
@media(max-width: 699px) {
    body {
        width: 90vw;
    }
}

body {
    font-size: 24px;
    margin-right: auto;
    margin-left: auto;
}

button, input[type="submit"], input[type="reset"] {
    background: none;
    color: inherit;
    border: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
    outline: inherit;
    text-decoration: underline;
}

.topbar {
    position: sticky;
    top: 0;
    background: #1c5759;
    width: 600px;
    margin-bottom: 50px;
}

#scrollback { margin-top 80px; }

button { font-family: inherit; display: block; margin-top: 5px; margin-bottom: 5px; }
#scrollback button { display: none; }
#scrollback button.clicked { color: #359fa4; display: block; font-style: italic; text-decoration: none; margin-top: 20px; margin-bottom: 20px; }

#active-scene button:first-of-type { margin-top: 20px; }
#active-scene button {
    width: 100%;
    border-top: 1px grey solid;
    padding-top: 10px;
    padding-bottom: 10px;
}
#active-scene button:last-of-type { border-bottom: 1px grey solid; }

#spacer {
    margin-top: 200px;
}