This centers them on the page.
<h1>NBD in 2019 and beyond</h1>
<div class="allcenter">
- <img src="2100-nbd.png" width="80%">
+ <img src="2100-nbd.png" width="80%" />
</div>
<p class="attribution">
<h1>Export a point in time snapshot from qemu</h1>
-<img src="2200-backup.png"/>
+<div class="allcenter">
+ <img src="2200-backup.png"/>
+</div>
<pre>
blockdev-backup device=A target=Target sync=none job-id=job1
<h1>Virt-v2v reading a VMware disk</h1>
-<img src="2300-vmware.png" width="80%" />
+<div class="allcenter">
+ <img src="2300-vmware.png" width="80%" />
+</div>
<pre>
<h1>Convert between KVM-based management systems</h1>
-<img src="2450-convert.png" width="80%" />
+<div class="allcenter">
+ <img src="2450-convert.png" width="80%" />
+</div>
<p class="attribution">
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