spacing around images

i2p2www/pages/site/docs/how/tech-intro.html

@@ -143,6 +143,7 @@ and an end point. Messages can be sent only in one way. To send messages back,
 another tunnel is required.
 {%- endtrans %}</p>
     <div class="box" style="text-align:center;">
+      <br /><br />
       <img src="{{ url_for('static', filename='images/tunnels.png') }}" alt="{{ _('Inbound and outbound tunnel schematic') }}" title="{{ _('Inbound and outbound tunnel schematic') }}" />
       <br /><br />
       {% trans %}Figure 1: Two types of tunnels exist: inbound and outbound.{% endtrans %}
@@ -196,8 +197,10 @@ She can then send a build message to the first hop, requesting the construction
 that router to send the construction message onward, until the tunnel has been constructed.
 {%- endtrans %}</p>
     <div class="box" style="text-align:center;">
+      <br /><br />
       <img src="{{ url_for('static', filename='images/netdb_get_routerinfo_1.png') }}" alt="{{ _('Request information on other routers') }}" title="{{ _('Request information on other routers') }}" />
       &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+      <br /><br />
       <img src="{{ url_for('static', filename='images/netdb_get_routerinfo_2.png') }}" alt="{{ _('Build tunnel using router information') }}" title="{{ _('Build tunnel using router information') }}" />
       <br /><br />
       {% trans %}Figure 2: Router information is used to build tunnels.{% endtrans %}
@@ -220,6 +223,7 @@ recent LeaseSet with the message so that Bob doesn't need to do a netDb lookup
 for it when he wants to reply, but this is optional.
 {%- endtrans %}</p>
     <div class="box" style="text-align:center;">
+      <br /><br />
       <img src="{{ url_for('static', filename='images/netdb_get_leaseset.png') }}" alt="{{ _('Connect tunnels using LeaseSets') }}" title="{{ _('Connect tunnels using leaseSets') }}" />
       <br /><br />
       {% trans %}Figure 3: LeaseSets are used to connect outbound and inbound tunnels.{% endtrans %}