diff --git a/css/screen.css b/css/screen.css
index bc0d8723f68b6c4e3fae62719d3fd6d548b628a9..8c8af4d4a480daac3bfb51ee43b68e33ae8b7238 100644
--- a/css/screen.css
+++ b/css/screen.css
@@ -98,12 +98,6 @@ blockquote {
     border-left: 5px solid #eee;
 }
 
-img {
-    float: left;
-    margin: 10px 10px 50px 10px;
-    max-width: 400px;
-}
-
 sup {
     font-size: 80%;
     vertical-align: super;
@@ -159,3 +153,7 @@ dd p a {
     color: #4083A9;
     font-style: normal;
 }
+
+figure {
+  text-align: center;
+}