#canvas {
    background-image:    url('../images/betonwand.jpg');
    background-size:     cover;
    background-repeat:   no-repeat;
    background-position: center center;
    max-height: 100%;
    min-width: 100%;
    aspect-ratio: 3840/1277;
    padding: 0;
    margin: 0;
}


html, body {
    height: 100%;
    padding: 0;
    margin: 0;
    font-family: Helvetica, Roboto, Arial, sans-serif;
}

.container {
    display: flex;

    flex-direction: column;
    height: 100%;
    align-content: stretch;
}

.main {
    flex-grow: 1;
    overflow-x: scroll;
    overflow-y: hidden;
    width: 100%;
    max-height: 100%;
    padding: 0;
    margin: 0;
}

footer {
    background: #e5e5e5;
    padding: 0.5em;
    line-height: 1.5em;
    display:flex;
    gap: 1em;
}

@media screen and (max-width: 992px) {
    footer {
        flex-direction: column;
    }

    footer .seperator {
        display: none;
    }
}

footer .seperator {
    flex-grow: 1;
}

footer:not(.show_info) .info .description {
    display:none;
}

footer:not(.show_settings) .settings {
    display:none;
}

footer select {
    padding: 0.2em;
    border-radius: 4px;
    background: white;
}

footer .description {
    max-width: 50em;
}

.route_selector * {
    vertical-align: top;
}

.route_selector select {
    height: calc(1rem + 10px)
}

.toolbox {
    flex-shrink: 0;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: flex-end;
    gap: 4px;
}
.btn {
    display: inline-block;
    line-height: 1em;
    border: 1px solid #888;
    border-radius: 4px;
    padding: 4px;
    min-width: 1em;
    text-align: center;
    background: white;
    font-size: 1rem;
    height: calc(1em + 10px)
}
.btn img {
    height: 1em;
    width: 1em;
}