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<p>The dot language defines the <tt class="docutils literal"><span class="pre">style</span></tt> attribute that can be used to modify the appearance of graphs, nodes, and edges. The <tt class="docutils literal"><span class="pre">style</span></tt> attribute is passed to the rendering backend, and is a powerful and flexible way of customizing the look and feel of your graphs. Using styles requires detailed knowledge of the output format.</p>
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<p>The following example shows how interesting visual results can be achieved with the PGF/TikZ output format. The styles are PGF/TikZ specific. See the user guide for details:</p>
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node [shape=circle, fixedsize=True, width="0.2",
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<span class="k">node</span> [shape=circle, fixedsize=True, width="0.2",
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style="ball color =green", label=""];
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c [style="ball color=black"];