diff --git a/basis/help/html/stylesheet.css b/basis/help/html/stylesheet.css
index 411de0620d..6032631e42 100644
--- a/basis/help/html/stylesheet.css
+++ b/basis/help/html/stylesheet.css
@@ -23,6 +23,10 @@ input {
     border-radius: 3px;
 }
 
+img {
+    vertical-align: middle;
+}
+
 .navbar {
     background-color: #f3f2ea;
     padding: 10px;