Merge branch 'master' of https://github.com/mmistakes/minimal-mistakes

_sass/minimal-mistakes/_navigation.scss

@@ -201,7 +201,7 @@
     }
   }
 
-  img{
+  img {
     -webkit-transition: none;
     transition: none;
   }

_sass/minimal-mistakes/_sidebar.scss

@@ -89,6 +89,13 @@
       position: sticky;
       top: 2em;
       float: right;
+
+      .toc {
+        .toc__menu {
+          overflow-y: auto;
+          max-height: calc(100vh - 7em);
+        }
+      }
     }
   }