diff --git a/generate_map.py b/generate_map.py
index cd0ef1b..f9ca02f 100755
--- a/generate_map.py
+++ b/generate_map.py
@@ -561,10 +561,11 @@ def optimize_text_layout(ns, erfas, chaostreffs, size, svg):
 def create_imagemap(ns, size, parent,
                     erfas, erfa_urls, erfa_names, texts,
                     chaostreffs, chaostreff_urls, chaostreff_names):
+    s = ns.png_scale
     img = etree.Element('img',
                         src=ns.output_directory.rel(ns.output_directory.png_path),
                         usemap='#erfamap',
-                        width=str(size[0]), height=str(size[1]))
+                        width=str(size[0]*s), height=str(size[1]*s))
     imgmap = etree.Element('map', name='erfamap')
 
     for city, location in erfas.items():
@@ -573,11 +574,11 @@ def create_imagemap(ns, size, parent,
         box = texts[city]
         area = etree.Element('area',
                              shape='circle',
-                             coords=f'{location[0]},{location[1]},{ns.dotsize_erfa}',
+                             coords=f'{location[0]*s},{location[1]*s},{ns.dotsize_erfa*s}',
                              href=erfa_urls[city])
         area2 = etree.Element('area',
                              shape='rect',
-                             coords=f'{box.left},{box.top},{box.right},{box.bottom}',
+                             coords=f'{box.left*s},{box.top*s},{box.right*s},{box.bottom*s}',
                              href=erfa_urls[city])
         if city in erfa_names:
             area.set('title', erfa_names[city])
@@ -590,7 +591,7 @@ def create_imagemap(ns, size, parent,
             continue
         area = etree.Element('area',
                              shape='circle',
-                             coords=f'{location[0]},{location[1]},{ns.dotsize_treff}',
+                             coords=f'{location[0]*s},{location[1]*s},{ns.dotsize_treff*s}',
                              href=chaostreff_urls[city])
         if city in chaostreff_names:
             area.set('title', chaostreff_names[city])
@@ -803,7 +804,8 @@ def create_svg(ns, bbox):
         root.write(mapfile)
 
     print('Writing PNG')
-    cairosvg.svg2png(url=ns.output_directory.svg_path, write_to=ns.output_directory.png_path)
+    cairosvg.svg2png(url=ns.output_directory.svg_path, write_to=ns.output_directory.png_path,
+                     scale=ns.png_scale)
 
     print('Writing HTML SVG page')
     html = etree.Element('html')
@@ -826,6 +828,10 @@ def create_svg(ns, bbox):
 
     print('Writing HTML Image Map')
     html = etree.Element('html')
+    head = etree.Element('head')
+    link = etree.Element('link', rel='stylesheet', href=ns.stylesheet)
+    head.append(link)
+    html.append(head)
     body = etree.Element('body')
     html.append(body)
 
@@ -858,6 +864,7 @@ def main():
     ap.add_argument('--projection', type=str, default='epsg:4258', help='Map projection to convert the WGS84 coordinates to')
     ap.add_argument('--scale-x', type=float, default=130, help='X axis scale to apply after projecting')
     ap.add_argument('--scale-y', type=float, default=200, help='Y axis scale to apply after projecting')
+    ap.add_argument('--png-scale', type=float, default=1.0, help='Scale of the PNG image')
     ap.add_argument('--debug', action='store_true', default=False, help='Add debug information to the produced SVG')
 
     ns = ap.parse_args(sys.argv[1:])
diff --git a/style/erfamap.css b/style/erfamap.css
index 2c1c3ab..bee51f6 100644
--- a/style/erfamap.css
+++ b/style/erfamap.css
@@ -1,13 +1,13 @@
-* {
+html, body {
     margin: 0;
     padding: 0;
 }
 
-object, img {
+body {
     max-width: 100%;
+    overflow: scroll;
 }
 
-
 rect.background {
     fill: #759eb5;
     stroke: none;