make header same size on all pages (#211)

Gemfile.lock

@@ -1,9 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.7)
+    activesupport (4.2.8)
       i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
@@ -22,8 +21,8 @@ GEM
     ffi (1.9.18)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
-    github-pages (134)
-      activesupport (= 4.2.7)
+    github-pages (137)
+      activesupport (= 4.2.8)
       github-pages-health-check (= 1.3.3)
       jekyll (= 3.4.3)
       jekyll-avatar (= 0.4.2)
@@ -39,7 +38,7 @@ GEM
       jekyll-redirect-from (= 0.12.1)
       jekyll-relative-links (= 0.4.0)
       jekyll-sass-converter (= 1.5.0)
-      jekyll-seo-tag (= 2.2.0)
+      jekyll-seo-tag (= 2.2.2)
       jekyll-sitemap (= 1.0.0)
       jekyll-swiss (= 0.4.0)
       jekyll-theme-architect (= 0.0.4)
@@ -61,7 +60,7 @@ GEM
       liquid (= 3.0.6)
       listen (= 3.0.6)
       mercenary (~> 0.3)
-      minima (= 2.0.0)
+      minima (= 2.1.1)
       rouge (= 1.11.1)
       terminal-table (~> 1.4)
     github-pages-health-check (1.3.3)
@@ -115,7 +114,7 @@ GEM
       jekyll (~> 3.3)
     jekyll-sass-converter (1.5.0)
       sass (~> 3.4)
-    jekyll-seo-tag (2.2.0)
+    jekyll-seo-tag (2.2.2)
       jekyll (~> 3.3)
     jekyll-sitemap (1.0.0)
       jekyll (~> 3.3)
@@ -155,7 +154,6 @@ GEM
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0)
-    json (1.8.6)
     kramdown (1.13.2)
     liquid (3.0.6)
     listen (3.0.6)
@@ -163,11 +161,12 @@ GEM
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
     mini_portile2 (2.1.0)
-    minima (2.0.0)
-    minitest (5.10.1)
+    minima (2.1.1)
+      jekyll (~> 3.3)
+    minitest (5.10.2)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.7.1)
+    nokogiri (1.7.2)
       mini_portile2 (~> 2.1.0)
     octokit (4.7.0)
       sawyer (~> 0.8.0, >= 0.5.3)

_sass/layouts/_docs.scss

@@ -1,12 +1,4 @@
 .docs {
-    *[id]:before {
-        display: block;
-        content: " ";
-        margin-top: -1em;
-        height: 1em;
-        visibility: hidden;
-    }
-
     .copy-button {
         cursor: pointer;
         border: none;

_sass/modules/_hero.scss

@@ -1,5 +1,14 @@
 // Background for nav and hero
 .nav-hero-container {
+    *[id]:before {
+      display: block;
+      content: " ";
+      margin-top: -1em;
+      height: 1em;
+      visibility: hidden;
+    }
+
+
   background: $mainBrandColor linear-gradient(to right, $mainBrandColor, $secondBrandColor) no-repeat center/cover;
   z-index: 9010;
   position: relative;