diff --git a/source/_assets/layout_internal/style.scss b/source/_assets/layout_internal/style.scss
index 6d0587e..4be1a87 100644
--- a/source/_assets/layout_internal/style.scss
+++ b/source/_assets/layout_internal/style.scss
@@ -8,10 +8,8 @@
 
     @media (max-width: $first-media-step) {
         width: auto;
-        margin: {
-            left: $mobile-margin;
-            right: $mobile-margin;
-        }
+        margin-left: $mobile-margin;
+        margin-right: $mobile-margin;
     }
 }
 
@@ -25,6 +23,10 @@
     h1 {
         margin-top: 1.2em;
         margin-bottom: 0.5em;
+
+        @media (max-width: $first-media-step) {
+            margin-top: 0.8em;
+        }
     }
 
     pre {
@@ -33,6 +35,7 @@
         padding: 1em;
         background-color: #f6f8fa; // from github
         border-radius: 5px;
+        overflow-y: auto;
     }
 
     code {