.node{cursor:pointer}.dark .node{stroke:#2224;stroke-width:2px}.node:hover{stroke:#000;stroke-width:1.5px}.label{fill:#444}.dark .label,.label{font:11px Helvetica Neue,Helvetica,Arial,sans-serif;font-weight:600;text-anchor:middle}.dark .label{fill:white}.label{pointer-events:none}