diff --git a/blog/static/css/poole.css b/blog/static/css/poole.css
index 54740cba..b243762a 100644
--- a/blog/static/css/poole.css
+++ b/blog/static/css/poole.css
@@ -111,6 +111,11 @@ ul, ol, dl {
   margin-bottom: 1rem;
 }
 
+/* Nested lists */
+li ul, li ol, li dl {
+  margin-bottom: 0;
+}
+
 dt {
   font-weight: bold;
 }