diff --git a/prepare-vms/lib/ips-txt-to-html.py b/prepare-vms/lib/ips-txt-to-html.py
index 6f0891cc..19bd90ad 100755
--- a/prepare-vms/lib/ips-txt-to-html.py
+++ b/prepare-vms/lib/ips-txt-to-html.py
@@ -42,13 +42,15 @@ print("Generated ips.html")
 
 try:
     import pdfkit
+    paper_size = context["paper_size"]
+    margin = {"A4": "0.5cm", "Letter": "0.2in"}[paper_size]
     with open("ips.html") as f:
         pdfkit.from_file(f, "ips.pdf", options={
-            "page-size": context["paper_size"],
-            "margin-top": context["paper_margin"],
-            "margin-bottom": context["paper_margin"],
-            "margin-left": context["paper_margin"],
-            "margin-right": context["paper_margin"],
+            "page-size": paper_size,
+            "margin-top": margin,
+            "margin-bottom": margin,
+            "margin-left": margin,
+            "margin-right": margin,
             })
     print("Generated ips.pdf")
 except ImportError:
diff --git a/prepare-vms/settings/admin-dmuc.yaml b/prepare-vms/settings/admin-dmuc.yaml
index 6ac252c0..6eb9c9a4 100644
--- a/prepare-vms/settings/admin-dmuc.yaml
+++ b/prepare-vms/settings/admin-dmuc.yaml
@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: A4
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
diff --git a/prepare-vms/settings/admin-kubenet.yaml b/prepare-vms/settings/admin-kubenet.yaml
index e283b10e..0ec45b77 100644
--- a/prepare-vms/settings/admin-kubenet.yaml
+++ b/prepare-vms/settings/admin-kubenet.yaml
@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: A4
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
diff --git a/prepare-vms/settings/admin-kuberouter.yaml b/prepare-vms/settings/admin-kuberouter.yaml
index 9e6c4133..e2e19c96 100644
--- a/prepare-vms/settings/admin-kuberouter.yaml
+++ b/prepare-vms/settings/admin-kuberouter.yaml
@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: A4
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
diff --git a/prepare-vms/settings/admin-test.yaml b/prepare-vms/settings/admin-test.yaml
index 691b60f8..8ee0463a 100644
--- a/prepare-vms/settings/admin-test.yaml
+++ b/prepare-vms/settings/admin-test.yaml
@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: A4
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
diff --git a/prepare-vms/settings/example.yaml b/prepare-vms/settings/example.yaml
index 0275373f..b08725ce 100644
--- a/prepare-vms/settings/example.yaml
+++ b/prepare-vms/settings/example.yaml
@@ -12,13 +12,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: test
 
diff --git a/prepare-vms/settings/fundamentals.yaml b/prepare-vms/settings/fundamentals.yaml
index 6c04c682..5d938bf2 100644
--- a/prepare-vms/settings/fundamentals.yaml
+++ b/prepare-vms/settings/fundamentals.yaml
@@ -12,13 +12,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
diff --git a/prepare-vms/settings/jerome.yaml b/prepare-vms/settings/jerome.yaml
index 4f68a3e4..ac7799cf 100644
--- a/prepare-vms/settings/jerome.yaml
+++ b/prepare-vms/settings/jerome.yaml
@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
@@ -26,3 +19,4 @@ machine_version: 0.14.0
 
 # Password used to connect with the "docker user"
 docker_user_password: training
+
diff --git a/prepare-vms/settings/kube101.yaml b/prepare-vms/settings/kube101.yaml
index 4c79a254..606bf208 100644
--- a/prepare-vms/settings/kube101.yaml
+++ b/prepare-vms/settings/kube101.yaml
@@ -12,13 +12,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
diff --git a/prepare-vms/settings/swarm.yaml b/prepare-vms/settings/swarm.yaml
index cbc6a010..170aa8ec 100644
--- a/prepare-vms/settings/swarm.yaml
+++ b/prepare-vms/settings/swarm.yaml
@@ -12,13 +12,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
diff --git a/prepare-vms/templates/cards.html b/prepare-vms/templates/cards.html
index eb25965d..0c7b49c6 100644
--- a/prepare-vms/templates/cards.html
+++ b/prepare-vms/templates/cards.html
@@ -95,6 +95,29 @@
 <style>
 @import url('https://fonts.googleapis.com/css?family=Slabo+27px');
 
+{% if paper_size == "A4" %}
+@page {
+    size: A4; /* Change from the default size of A4 */
+    margin: 0.5cm; /* Set margin on each page */
+}
+body {
+    /* this is A4 minus 0.5cm margins */
+	width: 20cm;
+	height: 28.7cm;
+}
+{% elif paper_size == "Letter" %}
+@page {
+	size: Letter;
+	margin: 0.2in;
+}
+body {
+	/* this is Letter minus 0.2in margins */
+	width: 8.6in;
+	heigth: 10.6in;
+}
+{% endif %}
+
+
 body, table {
     margin: 0;
     padding: 0;
@@ -115,43 +138,36 @@ div {
     float: left;
     border: 1px dotted black;
     {% if backside %}
-    height: 31%;
+    height: 33%;
     {% endif %}
-    padding-top: 1%;
-    padding-bottom: 1%;
     /* columns * (width+left+right) < 100% */
     /*
-    width: 21.5%;
-    padding-left: 1.5%;
-    padding-right: 1.5%;
+    width: 24.8%;
     */
     /**/
-    width: 30%;
-    padding-left: 1.5%;
-    padding-right: 1.5%;
+    width: 33%;
     /**/    
 }
 
 p {
-    margin: 0.4em 0 0.4em 0;
+    margin: 0.8em;
 }
 
 div.back {
-	border: 1px dotted white;
+	border: 1px dotted grey;
 }
 
-div.back p {
-    margin: 0.5em 1em 0 1em;
+span.scale {
+	white-space: nowrap;
 }
 
 img.logo {
-    height: 4em;
+    height: 4.5em;
     float: right;
-    margin-right: -0.2em;
  }
 
 img.bottom {
-    height: 4em;
+    height: 2.5em;
     display: block;
     margin: 0.5em auto;
 }
@@ -170,7 +186,7 @@ img.bottom {
     page-break-after: always;
     clear: both;
     display: block;
-    height: 8px;
+    height: 0;
 }
 </style>
 <script type="text/javascript" src="https://cdn.rawgit.com/davidshimjs/qrcodejs/gh-pages/qrcode.min.js"></script>
@@ -185,10 +201,22 @@ function qrcodes() {
 			});
 		}
 	);
-};
+}
+
+function scale() {
+	[].forEach.call(
+		document.getElementsByClassName("scale"),
+		(e, index) => {
+			var text_width = e.getBoundingClientRect().width;
+			var box_width = e.parentElement.getBoundingClientRect().width;
+			var percent = 100 * box_width / text_width + "%";
+			e.style.fontSize = percent;
+		}
+	);
+}
 </script>
 </head>
-<body onload="qrcodes()">
+<body onload="qrcodes(); scale();">
 {% for cluster in clusters %}
     <div>
         <p>{{ intro }}</p>
@@ -223,7 +251,9 @@ function qrcodes() {
         <p>
             {% if url %}
         	{{ slides_are_at }}
-            <center>{{ url }}</center>
+            <p>
+                <span class="scale">{{ url }}</span>
+            </p>
             {% endif %}
             {% if img_bottom_src %}
             <img class="bottom" src="{{ img_bottom_src }}" />
@@ -235,23 +265,21 @@ function qrcodes() {
         {% if backside %}
 			{% for x in range(pagesize) %}
 		        <div class="back">
-		        <br/>
-				<p>You got this at the workshop
+				<p>Thanks for attending
 				"Getting Started With Kubernetes and Container Orchestration"
-				during QCON London (March 2019).</p>
+				during CONFERENCE in Month YYYY!</p>
 				<p>If you liked that workshop,
-				I can train your team or organization
-				on Docker, containers, and Kubernetes,
-				with curriculums of 1 to 5 days.
+				I can train your team, in person or
+				online, with custom courses of
+				any length and any level.
 				</p>
 	            {% if qrcode %}
-	            <p>Interested? Scan that QR code to contact me!</p>
+	            <p>If you're interested, please scan that QR code to contact me:</p>
 				<span class="qrcode"></span>
                 {% else %}
-				<p>Interested? Contact me at:</p>
+				<p>If you're interested, you can contact me at:</p>
 				{% endif %}
 				<p>jerome.petazzoni@gmail.com</p>
-				<p>Thank you!</p>
 		        </div>
 			{% endfor %}
 		<span class="pagebreak"></span>