colouring-montreal/app/src/frontend/legend.css

/**
 * Map legend
 */
.map-legend {
    z-index: 1000;
    position: absolute;
    bottom: 55px;
    right: 10px;
    min-width: 7rem;
    float: right;
    background: white;
    border-radius: 4px;
    padding: 0.5rem 0 0.25rem;
    border: 1px solid #fff;
    box-shadow: 0px 0px 1px 1px #222222;
}
@media (min-width: 380px){
    .map-legend {
        bottom: 40px;
    }
}
@media (min-width: 1020px){
    .map-legend {
        bottom: 24px;
    }
}
.map-legend h3,
.map-legend h4,
.data-legend {
    padding: 0 0.5rem;
}
.data-legend {
    max-height: 20rem;
    overflow-y: auto;
    list-style: none;
    margin-bottom: 0;
}
.data-legend .key {
    display: inline-block;
    width: 1.75rem;
    height: 1.75rem;
    text-indent: -30px;
    margin: 0.125rem 0.5rem 0.125rem 0;
    vertical-align: middle;
    overflow: hidden;
}
.map-legend .data-intro {
    padding: 0 0.5rem;
    opacity: 0.5;
}