.fc-jump-source-highlight {
    filter: drop-shadow(0 0 4px var(--fc-jump-source-border));
    transition: filter 0.15s;
}

.fc-jump-dest-highlight {
    filter: drop-shadow(0 0 4px var(--fc-jump-dest-border));
    transition: filter 0.15s;
}

.fc-node-selected {
    filter: drop-shadow(0 0 6px currentColor);
    transition: filter 0.15s;
}