woot posts with TOC now fill out space on left

- took a lot of circuitous searching on https://github.com/mmistakes/minimal-mistakes/issues
- finally found mmistakes/minimal-mistakes#1322 (comment)
- some additional customization with the padding

_config.yml

@@ -92,6 +92,7 @@ defaults:
       type: posts
     values:
       layout: single
+      classes: wide_post
       author_profile: false
       read_time: true
       comments: false

assets/css/main.scss

@@ -5,4 +5,19 @@
 @charset "utf-8";
 
 @import "minimal-mistakes/skins/{{ site.minimal_mistakes_skin | default: 'default' }}"; // skin
-@import "minimal-mistakes"; // main partials
+@import "minimal-mistakes"; // main partials
+
+/* hack to fill the left-hand-side when there is no author */
+.wide_post article.page {
+    float: left;
+    width: 100%;
+}
+
+/* push the TOC out to the right just a little*/
+.sidebar__right {
+	padding-left: 5%;
+}
+.layout--single {
+	margin-left: 10%;
+	margin-right: 10%;
+}