add div-clear

assets/_/styles.scss

@@ -73,7 +73,7 @@ article h6 {
 }
 
 figure {
-    margin: 40px 0;
+    margin: 10px 0;
 }
 
 figure.right {
@@ -81,16 +81,13 @@ figure.right {
 }
 
 img,figcaption {
-    margin: 10px auto;
-    padding: 0 10px;
-    height: auto;
+    width: 90%;
+    margin: 0 auto;
     display: block;
 }
 
 @media (max-width:600px) {
     img,figcaption {
-        margin: 0;
-        padding: 0;
         width: 100%;
     }
 }
@@ -338,6 +335,10 @@ nav#TableOfContents ul {
         word-wrap: break-word
     }
 
+    pre {
+        background-color: $bgBright;
+    }
+
     hr {
         background-color: $border;
         border: none;

layouts/shortcodes/div-clear.html

@@ -0,0 +1 @@
+<div style="clear: both"></div>