diff --git a/CHANGES b/CHANGES
index cace9d01c..9a6a5e456 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,8 @@
 Release 0.6.4 (in development)
 ==============================
 
+* #293: line blocks are styled properly in HTML output.
+
 * #285: make the ``locale_dirs`` config value work again.
 
 * #303: ``html_context`` values given on the command line via ``-A``
diff --git a/sphinx/themes/basic/static/basic.css b/sphinx/themes/basic/static/basic.css
index 64964c983..a04d6545b 100644
--- a/sphinx/themes/basic/static/basic.css
+++ b/sphinx/themes/basic/static/basic.css
@@ -332,6 +332,18 @@ dl.glossary dt {
     background-color: #ffa
 }
 
+.line-block {
+    display: block;
+    margin-top: 1em;
+    margin-bottom: 1em;
+}
+
+.line-block .line-block {
+    margin-top: 0;
+    margin-bottom: 0;
+    margin-left: 1.5em;
+}
+
 /* -- code displays --------------------------------------------------------- */
 
 pre {