diff --git a/_config.yml.example b/_config.yml.example
index 44ecb9d..decaf6f 100644
--- a/_config.yml.example
+++ b/_config.yml.example
@@ -39,7 +39,7 @@ profile:
   description:
   social:
     github:
-    facebook:
+    facebook: # Facebook property also used in `article:author` meta tag.
     linkedin:
     instagram:
     twitter:
diff --git a/layout/includes/article.jade b/layout/includes/article.jade
index e0fcbb8..589a9b3 100644
--- a/layout/includes/article.jade
+++ b/layout/includes/article.jade
@@ -13,16 +13,7 @@ article#article.article(itemscope itemtype="https://schema.org/BlogPosting")
           )= category.name
           unless index === page.categories.length - 1
             span.article__meta__categories__separator >
-  if page.banner && page.banner.url
-    img.article__image(
-      src=page.banner.url
-      alt="Post Image")
-  else if page.photos && page.photos.length
-    each photo in page.photos
-      img.article__image(
-        src=photo
-        alt="Gallery Image")
-  else
+  unless (page.banner && page.banner.url) || (page.photos && page.photos.length)
     hr
   
   .article__contents
diff --git a/layout/includes/head.jade b/layout/includes/head.jade
index 896cfab..a5ec6e7 100644
--- a/layout/includes/head.jade
+++ b/layout/includes/head.jade
@@ -5,7 +5,7 @@
 - if (is_month()) pageTitle += ': ' + page.month + '/' + page.year;
 - if (is_year()) pageTitle += ': ' + page.year;
 - pageTitle = pageTitle ? pageTitle += ' | ' + config.title : config.title;
-- var banner = page.banner ? page.banner.url : (page.photos ? page.photos[0] : theme.default.url);
+- var banner = bannerOf(page) || theme.default.url;
 -
   var openGraph = open_graph({
     description: page.content || config.description || theme.profile.description,
@@ -17,6 +17,7 @@
   });
 
 meta(charset='UTF-8')
+meta(http-equiv="X-UA-Compatible" content="IE=edge")
 meta(name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1")
 
 title= pageTitle
@@ -37,6 +38,8 @@ link(rel="stylesheet" href="/css/index.css")
 
 | !{ canonical(config, page) }
 | !{ openGraph }
+if is_post()
+  meta(property="article:author" content=theme.profile.social.facebook || config.author)
 
 if theme.favicon
   link(rel="icon" href=theme.favicon)
diff --git a/layout/includes/post-list.jade b/layout/includes/post-list.jade
index 7728bb7..8faaf88 100644
--- a/layout/includes/post-list.jade
+++ b/layout/includes/post-list.jade
@@ -42,7 +42,7 @@ section.post-list
     article.post-list__item
       .post-list__item__col-1
         a.post-list__item__link(href=url_for(post.path))
-          - var banner = post.banner ? post.banner.url : (post.photos[0] || theme.default.url)
+          - var banner = bannerOf(post) || theme.default.url;
           .post-list__item__link__background(style="background-image: url('#{ banner }')")
       .post-list__item__col-2
         .post-list__item__meta
diff --git a/layout/post.jade b/layout/post.jade
index 9cce1b0..aad659b 100644
--- a/layout/post.jade
+++ b/layout/post.jade
@@ -11,7 +11,7 @@ block content
       each post in relatedPosts
         .related-posts__item__wrapper
           a.related-posts__item(href=url_for(post.path))
-            - var banner = post.banner ? post.banner.url : ((post.photos && post.photos.length) ? post.photos[0] : theme.default.url);
+            - var banner = bannerOf(post) || theme.default.url;
             .related-posts__item__background(style="background-image: url('#{ banner }')")
             .related-posts__item__overlay
             span.related-posts__item__title= post.title || 'Untitled'
diff --git a/scripts/banner.js b/scripts/banner.js
new file mode 100644
index 0000000..497cf9e
--- /dev/null
+++ b/scripts/banner.js
@@ -0,0 +1,18 @@
+/**
+ * Banner Helper
+ * @description Get banner url from post.
+ * @example
+ *     bannerOf(post);
+ */
+
+hexo.extend.helper.register('bannerOf', function (post) {
+    var url = post.banner ? post.banner.url : (post.photos && post.photos.length ? post.photos[0] : '');
+    var imgRegex = /\<img\s.*?\s?src\s*=\s*['|"]?([^\s'"]+).*?\>/ig;
+    if (!url) {
+        var result = imgRegex.exec(post.content);
+        if (result && result.length > 1) {
+            url = result[1];
+        }
+    }
+    return url;
+});
diff --git a/scripts/before_post_render.js b/scripts/before_post_render.js
new file mode 100644
index 0000000..004e463
--- /dev/null
+++ b/scripts/before_post_render.js
@@ -0,0 +1,18 @@
+/**
+ * Filter triggered by post rendering.
+ */
+
+function imgTpl(url) {
+  return '<img src="' + url + '"/>';
+}
+
+hexo.extend.filter.register('before_post_render', function (data) {
+  if (data.banner) {
+    var img = imgTpl(data.banner.url);
+    data.content = img + data.content;
+  } else if (data.photos && data.photos.length) {
+    var imgs = data.photos.map(imgTpl).join('');
+    data.content += imgs + data.content;
+  }
+  return data;
+});
diff --git a/source/css/code.scss b/source/css/code.scss
index 2c3aafb..1d8788d 100644
--- a/source/css/code.scss
+++ b/source/css/code.scss
@@ -13,16 +13,24 @@
   }
   .keyword,
   .selector-tag,
-  .literal,
   .section,
   .link {
-    color: #8be9fd;
+    color: #ff79c6;
+  }
+  .literal,
+  .number {
+    color: #bd93f9;
   }
   .function .keyword {
-    color: #ff79c6;
+    color: #8be9fd;
+  }
+  .title {
+    color: #50fa7b;
+  }
+  .params {
+    color: #ffb86c;
   }
   .string,
-  .title,
   .name,
   .type,
   .attribute,
@@ -51,7 +59,10 @@
   .strong {
     font-weight: bold;
   }
-  .emphasis {
+  .emphasis, .built_in {
     font-style: italic;
   }
+  .built_in {
+    color: #8be9fd;
+  }
 }