Template:GraphLegend/styles.css

.legend { page-break-inside: avoid; break-inside: avoid-column; }

.legend-color { display: inline-block; min-width: 1.25em; height: 1.25em; line-height: 1.25; margin: 1px 0; text-align: center; border: 1px solid black; background-color: transparent; color: black; }