diff --git a/american-chemical-society.csl b/american-chemical-society.csl
index bf75b2d8de7..09c0e9cf088 100644
--- a/american-chemical-society.csl
+++ b/american-chemical-society.csl
@@ -250,14 +250,17 @@
           </group>
         </else-if>
         <else-if type="webpage">
-          <group delimiter=" ">
-            <text variable="title"/>
-            <text variable="URL"/>
-            <date variable="accessed" prefix="(accessed " suffix=")" delimiter=" ">
-              <date-part name="year"/>
-              <date-part name="month" prefix="-" form="numeric-leading-zeros"/>
-              <date-part name="day" prefix="-" form="numeric-leading-zeros"/>
-            </date>
+          <group delimiter=". ">
+            <text variable="title" font-style="italic"/>
+            <text variable="container-title"/>
+            <group delimiter=" ">
+              <text variable="URL"/>
+              <date variable="accessed" prefix="(accessed " suffix=")">
+                <date-part name="year"/>
+                <date-part name="month" prefix="-" form="numeric-leading-zeros"/>
+                <date-part name="day" prefix="-" form="numeric-leading-zeros"/>
+              </date>
+            </group>
           </group>
         </else-if>
         <else>