Changing sidebar to deeplinks

Fixed up navigation, collection contents are now output on one page. CSS cleanup

_sass/modules/_base.scss

@@ -82,12 +82,11 @@ a {
 }
 
 h1 {
-  font-size: 2em;
+  font-size: 2.5em;
 }
 
 h2 {
   font-size: 2em;
-  text-decoration: underline;
 }
 
 h3 {

_sass/modules/_layout.scss

@@ -12,7 +12,7 @@ $wrapper-width: 800px;
   width: 100%;
 }
 
-.content__wrapper {
+.content__list {
   max-width: $wrapper-width;
   margin: 0 auto;
   padding: 0 $spacing-unit;

_sass/modules/_page-content.scss

@@ -8,3 +8,7 @@ td {
 p {
   line-height: 1.8;
 }
+
+.content__item {
+  margin-bottom: $spacing-unit * 2;
+}