Make table of contents lines wrap

assets/scss/toc.scss

@@ -12,6 +12,7 @@ $toc-border-color: $code-border-color;
     flex-direction: column;
     align-items: flex-end;
     margin-bottom: 1rem;
+    text-align: left;
 
     em {
         font-style: normal;
@@ -37,6 +38,9 @@ $toc-border-color: $code-border-color;
 
     a {
         padding: 0;
+        white-space: normal;
+        margin-left: 0.5rem;
+        text-indent: -0.5rem;
     }
 
     div.wrapper {