Button that calls print source specifies primefaces - primefaces

Question

I am printing a panel with this information primefaces button.
But I need to send this impression with a smaller font, how do I do that in this code?
<p:commandButton value="Imprimir" styleClass="btn btn-primary" >
<p:printer target="information" />
</p:commandButton>
This is my component information I want to print:
In printing occupies an entire sheet and I want to reduce the font when printing call
<p:panel id="information">
<h3 class="text-warning">#{msg['text-warning']}</h3>
<p>#{msg['text-valueReference']}</p>
<p class="lead text-primary">#{msg['text-time']}*</p>
<p>
<strong>#{msg['lbl-band1']}:</strong>#{' '}#{msg['text-band1']}
</p>
<p>
<strong>#{msg['lbl-band2']}:</strong>#{' '}#{msg['text-band2']}
</p>
<p>
<small> #{msg['text-leiBand']} </small>
</p>
<p class="lead text-primary">#{msg['text-Baggage']}</p>
<p>
<strong>De mão:</strong>#{' '}#{msg['text-HandLuggage']}
</p>
<p>
<strong>Normal:</strong>#{' '}#{msg['text-NormalBaggage']}
</p>
<blockquote>
<p>#{msg['text-noCharge']}</p>
<small> #{msg['text-noChargeVolumes']} </small>
</blockquote>
<blockquote>
<p>#{msg['text-Charge']}:</p>
<small> #{msg['text-ChargeVolumes']} </small>
</blockquote>
<p>
<small> #{msg['text-leiVolumes']} </small>
</p>
<p class="lead text-primary">#{msg['text-optionalTransport']}</p>
<p>
<strong></strong>#{msg['text-optionalTransportValue']}
</p>
<p>
<strong> </strong>
</p>
<blockquote>
<p>#{msg['text-animals']}:</p>
<small> #{msg['text-animalsValues']} </small>
</blockquote>
<blockquote>
<p>#{msg['text-large-bags']}:</p>
<small> #{msg['text-largeBagsValue']} </small>
</blockquote>
<p>
<small> #{msg['text-obs']} </small>
</p>
</p:panel>