Move reference_styles to main stylesheet

Author: josh-collinsworth

_components/Base.tsx

@@ -7,7 +7,6 @@ export default function Base(
   return (
     <>
       <div className="ddoc markdown-body">
-        <link rel="stylesheet" href="/reference_styles.css" />
         <comp.Breadcrumbs parts={data.breadcrumbs_ctx.parts} />
         <main id="content" tabindex={-1}>
           {children}

reference/_components/Section.tsx

@@ -55,7 +55,7 @@ export default function (
     <section className="section" id={section.header?.anchor.id}>
       {section.header && (
         <>
-          <h3 className="anchorable-heading">
+          <h3 className="anchorable-heading mb-4">
             {section.header.href
               ? (
                 <a href={section.header.href} className="context-link">