openwebrx/htdocs/map.css

html, body, .openwebrx-map {
    width: 100%;
    height: 100%;
    margin: 0;
}

h3 {
    margin: 10px 0;
}

ul {
    margin-block-start: 5px;
    margin-block-end: 5px;
    padding-inline-start: 25px;
}