diff --git a/Installation.md b/Installation.md
index ca236dc..b20b546 100644
--- a/Installation.md
+++ b/Installation.md
@@ -4,61 +4,62 @@
 <p>The current version is 1.9.1</p>
 
 <div>
-<div style="margin-right: 100; float: left; width:55%;">
+<div style="float: left; width:50%;">
 
-<div style="margin: 0px 40px 40px 40px ;">
-<img style="padding: 0px 10px; float: left" src="<http://hyperplex.org/tahoe/ubuntu.png>" />
+<div style="margin: 0px 20px 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
+<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/ubuntu.png>" />
 <h2 style="margin-bottom: 0px;">Ubuntu <small style="color:grey;">lucid, maverick, natty, oneiric</small></h2>
 <a href="<http://packages.ubuntu.com/search?keywords=tahoe-lafs&searchon=names&suite=all&section=all>">Official Packages</a>
-<a href="<http://tahoe-lafs.org/buildbot/builders/lucid-amd64>">Buildbot</a>
-<pre>$ sudo apt-get install tahoe-lafs</pre>
+<a href="<http://tahoe-lafs.org/buildbot/builders/lucid-amd64>">Buildbot</a><br />
+<pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;">$ sudo apt-get install tahoe-lafs</pre>
 </div>
 
-<div style="margin: 40px;">
-<img style="padding: 0px 10px; float: left" src="<http://hyperplex.org/tahoe/debian.png>" />
+<div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
+<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/debian.png>" />
 <h2 style="margin-bottom: 0px;">Debian <small style="color:grey;">sid (unstable), wheezy (testing)</small></h2>
 <a href="<http://packages.debian.org/search?keywords=tahoe-lafs&searchon=names&suite=all&section=all>">Official Packages</a>
-<a href="<http://tahoe-lafs.org/buildbot/builders/Eugen%20lenny-amd64>">Buildbot</a>
-<pre>$ sudo apt-get install tahoe-lafs</pre>
+<a href="<http://tahoe-lafs.org/buildbot/builders/Eugen%20lenny-amd64>">Buildbot</a><br />
+<pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;">$ sudo apt-get install tahoe-lafs</pre>
 </div>
 
-<div style="margin: 40px;">
-<img style="padding: 0px 10px; float: left" src="<http://hyperplex.org/tahoe/slackware.png>" />
+<div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
+<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/slackware.png>" />
 <h2 style="margin-bottom: 0px;">Slackware <small style="color:grey;">13.37</small></h2>
 <a href="<http://slackbuilds.org/repository/13.37/network/allmydata-tahoe/>">Official Packages</a>
-<a href="<http://mareichelt.com/pub/mine/tahoe-lafs/>">Notes</a>
-<pre>$ installpkg tahoe-lafs</pre>
+<a href="<http://mareichelt.com/pub/mine/tahoe-lafs/>">Notes</a><br />
+<pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;">$ installpkg tahoe-lafs</pre>
 </div>
 </div>
 
-<div style="margin-left: 100px;">
+<div style="float: left; width: 50%;">
 
 <!-- see #170 "package Tahoe-LAFS for Fedora"
 <div style="margin: 40px;">
 <img style="padding: 0px 10px; float: left" src="<http://hyperplex.org/tahoe/fedora.png>" />
 <h2 style="margin-bottom: 0px;">Fedora</h2>
-<pre>$ sudo yum install tahoe-lafs</pre>
+<pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;">$ sudo yum install tahoe-lafs</pre>
 </div>
 -->
 
-<div style="margin: 40px;">
-<img style="padding: 0px 10px; float: left" src="<http://hyperplex.org/tahoe/arch-linux.png>" />
+<div style="margin: 0px 20px 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
+<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/arch-linux.png>" />
 <h2 style="margin-bottom: 0px;">Arch Linux</h2>
-<pre>$ pacman -S tahoe-lafs </pre>
+<a href="<http://aur.archlinux.org/packages.php?ID=39137>">Official Packages</a><br />
+<pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;">$ pacman -S tahoe-lafs </pre>
 </div>
 
-<div style="margin: 40px;">
-<img style="padding: 0px 10px; float: left" src="<http://hyperplex.org/tahoe/freebsd.png>" />
+<div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
+<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/freebsd.png>" />
 <h2 style="margin-bottom: 0px;">FreeBSD</h2>
-<pre>$ pkg_add -r tahoe-lafs</pre>
+<pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;">$ pkg_add -r tahoe-lafs</pre>
 </div>
 
-<div style="margin: 40px;">
-<img style="padding: 0px 10px; float: left" src="<http://hyperplex.org/tahoe/netbsd.png>" />
+<div style="margin: 30px 20px; padding: 10px 5px 0px 0px; border: 1px solid #eee;">
+<img style="padding: 10px 10px 20px 10px; float: left" src="<http://hyperplex.org/tahoe/netbsd.png>" />
 <h2 style="margin-bottom: 0px;">NetBSD</h2>
 <a href="ftp://ftp.netbsd.org/pub/pkgsrc/current/pkgsrc/filesystems/tahoe-lafs/README.html">Official Packages</a>
-<a href="<http://tahoe-lafs.org/buildbot/builders/MM%20netbsd5%20i386%20warp>">Buildbot</a>
-<pre>$ pkg_add tahoe-lafs</pre> 
+<a href="<http://tahoe-lafs.org/buildbot/builders/MM%20netbsd5%20i386%20warp>">Buildbot</a><br />
+<pre style="display: inline-block; font-family: 'Menlo','Courier',monospace; padding: 5px; background: #ffffdd;">$ pkg_add tahoe-lafs</pre> 
 </div>
 
 </div>