fix /spec-v1 styling

Fixes: #45

Author: zkat

src/spec-v1.md

@@ -3,6 +3,8 @@ layout: base.html
 title: KDL v1 Specification
 ---
 
+<!-- TODO: actually make proper sections for this someday? meh, probably pointless. -->
+<section class="kdl-section" id="spec">
 # KDL v1 Spec
 
 This is the semi-formal specification for the legacy version of KDL, including
@@ -548,4 +550,4 @@ multi-line-comment := '/*' commented-block
 commented-block := '*/' | (multi-line-comment | '*' | '/' | [^*/]+) commented-block
 ```
 
-
+</section>