📝 chore(posts): update featured posts and front matter for multiple p…

…osts to improve structure

_posts/2021-07-20-device-look.md

@@ -2,15 +2,20 @@
 layout: post
 title: Responsive Web Design
 date: 2021-07-20 10:47 +0800
-categories: [feature]
-tags: [demo]
+categories:
+  - feature
+tags:
+  - demo
 permalink: /responsive-web-design/
-redirect_from: [/device-look/]
-image: 
-   path: /assets/images/responsive-1622825_730.png
+redirect_from:
+  - /device-look/
+image:
+  path: /assets/images/responsive-1622825_730.png
+  width: "730"
+  height: "411"
 excerpt: Preview the look for different devices (smartphone 📱, tablet 💻 and laptop 🖥️)
 css:
-   custom: >-
+   custom: |-
       .device-wrapper {
         margin: 24px auto;
         --scale: .45;
@@ -147,9 +152,6 @@ css:
         overflow: hidden;
         border: none;
       }
-
-featured: true
-download: true
 ---
 
 Preview the look of the responsive design for different devices (smartphone <i class="fas fa-mobile-alt"></i> , tablet <i class="fas fa-tablet-alt"></i> and laptop <i class="fas fa-laptop"></i>) &ndash; _**Remark**: This page does not support for Internet Explorer (IE)_

_posts/2021-07-30-front-matter.md

@@ -1,7 +1,7 @@
 ---
 layout: post
 title: Front Matter Guide
-date: 2025-02-01 10:02 +0800
+date: 2021-07-31 12:05 +0800
 last_modified_at: 2025-02-01 10:02 +0800
 categories:
   - doc
@@ -26,6 +26,7 @@ css:
     .plaintext { color: mediumseagreen; }
     .quote-deprecated { border-color: #999999; }
 excerpt: The docs for the front matters that that let you control the post title, date, featured image, CSS styles, etc.
+featured: true
 ---
 
 {% include toc.md %}

_posts/2021-08-02-config-guide.md

@@ -13,7 +13,7 @@ image:
 css:
   badge: true
   syntax: true
-  custom: >-
+  custom: |- 
     table { font-size: .95rem; margin-bottom: 1.5rem; }
     tr:nth-child(odd) { backgroud-color: #e3edf3; }
     th, td { padding: .5em; vertical-align: top; }

_posts/2021-08-15-postprocessing.md

@@ -22,7 +22,6 @@ css:
     th, td { padding: .5em; }
     .box { border: 1px solid #e3edf3; padding: 1rem; }
     .plaintext { color: mediumseagreen; }
-featured: true
 excerpt: The demo and test page of the Anchor Links for headings and the Link Modifier on various Markdown styles.
 ---