#chartCanvas {
    min-height: 500px;
    margin:     0.1em auto;
}

#download-display {
    display:         flex;
    justify-content: space-between;
    flex-wrap:       wrap;
    gap:             0 1em;
}

.btn.selected,
.btn.selected:hover {
    background-color: #3d4551 !important;
    color:            #dcdee0 !important;
}

@media (min-width: 410px) {
    .ending { display: none; }
}