body {
    background-color: #eee;
}

div#page-container {
    display: flex;
    flex-flow: row nowrap;
    justify-content: left;
    margin-left: auto;
    margin-right: auto;
    max-width: 90em;
}

.floatbox {
    padding: 2em;
    margin: 1em;
}

div#content {
    flex: 1 1 auto;
    order: 2;
    background-color: white;
}

div#sidebar {
    flex: 0 0 20em;
    order: 1;
    background-color: white;
}

div#sidebar div#navlinks {
    margin-top: 3em;
}

div#sidebar div#navlinks a {
    background-color: #ddd;
}

div#sidebar div#navlinks a:hover {
    background-color: #ccc;
}

div#sidebar a:first-child {
    margin-bottom: 1em;
}

.icon {
    position: relative;
    margin-right: 0.5rem;
}


.icon::before {
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-right: 5px;
    content: "";
    background-size: 100%;
}

.icon.home::before {
    background: url("/assets/images/bootstrap-icons/house-fill.svg") no-repeat 0 0;
}

.icon.done::before {
    background: url("/assets/images/bootstrap-icons/check-circle.svg") no-repeat 0 0;
}

.icon.unlocked::before {
    background: url("/assets/images/bootstrap-icons/unlock-fill.svg") no-repeat 0 0;
}

.icon.locked::before {
    background: url("/assets/images/bootstrap-icons/lock-fill.svg") no-repeat 0 0;
}

div#sidebar img {
    max-width: 15em;
}

a {
    color: #444;
}

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

div#menu-button {
    display: none;
}


div.figure {
    width: 100%;
    text-align: center;
    display: block;
    margin: 1em 0;
}

div.figure img {
    max-width: 80%;
}

div#hints-solution {
    border-bottom: 1px solid black;
    margin-top: 1em;
}

div.hint {
    width: 100%;
    border-top: 1px solid black;
}

div.hint a {
    text-align: left;
    width: 100%;
}

div.hint div.hint-content {
    padding: 1em;
}