preliminary work for old theme re-implementation

_src/data/art/artwork/NT sunny spritesheet.md

@@ -3,5 +3,5 @@ images:
   - src: /assets/img/art/nt_sundae_spritesheet.gif
     alt: Various pixel art animations of Sundae as a character from Nuclear Throne.
     date: 2021-01-25
-    width: 1080
+    pixel: true
 ---

_src/data/art/artwork/PETSCII sunny.md

@@ -2,12 +2,12 @@
 images:
   - src: /assets/img/art/petscii_sundae1.png
     alt: Front-facing bust portrait of Sundae. His hair looks a bit ruffled up.
-    width: 240px
     date: 2023-02-26
+    pixel: true
   - src: /assets/img/art/petscii_sundae-redo1.png
     alt: Revisioned front-facing bust portrait of Sundae, with shinier hair.
-    width: 240px
     date: 2023-04-14
+    pixel: true
 ---
 
 A hybrid pixel and PETSCII portrait of sunny. I'm quite fond of both versions!

_src/data/art/artwork/acnl sunny.md

@@ -3,15 +3,15 @@ images:
   - src: /assets/img/art/acnl_sundae.png
     alt: Bust portrait of Sundae smiling at the viewer with his eyes closed, outlined in rainbow colors and a secondary white outline around that.
     date: 2021-09-09
-    width: 320px
+    pixel: true
   - src: /assets/img/art/acnl_sundae-redo1.png
     alt: Revisioned bust portrait of Sundae, smiling at the viewer with his eyes closed, superimposed on the rainbow pride flag.
     date: 2022-01-01
-    width: 320px
+    pixel: true
   - src: /assets/img/art/acnl_sundae-redo2.png
     alt: Latest revision with the view from the front, superimposed on the Agender pride flag.
     date: 2024-10-28
-    width: 320px
+    pixel: true
 ---
 
 ![Rainbow pride flag](/assets/img/flag/rainbow.svg)

_src/data/art/artwork/lick icon.md

@@ -3,7 +3,7 @@ images:
   - src: /assets/img/art/sundae_lick.gif
     alt: Pixel art animation of Sundae licking the screen.
     date: 2025-03-18
-    width: 480
+    pixel: true
 ---
 
 I got bored one day and I decided on a whim to make my own lick icon from {%ai"https://www.deviantart.com/sketchmichi/art/Lick-icon-base-201253097"%}Michi's lick icon base{%endai%}.

_src/data/art/artwork/sunny doodle.md

@@ -3,6 +3,7 @@ images:
   - src: /assets/img/art/sundae.png
     alt: Bust portrait pixel art doodle of Sundae in monochrome and dithering.
     date: 2020-05-06
+    pixel: true
 ---
 
 The first doodle of the boy, done in Microsoft Paint.

_src/data/art/artwork/sunny mimiga.md

@@ -3,5 +3,5 @@ images:
   - src: /assets/img/art/sundae_cs.png
     alt: Pixel art avatar of Sundae as a character from Cave Story, using Sue Sakamoto's portrait as a base.
     date: 2020-11-12
-    width: 480
+    pixel: true
 ---

_src/data/art/artwork/vector bun.md

@@ -16,4 +16,4 @@ Although, I was surprised how cute I could make an avatar that's not restricted
 
 Color palette used: {%ai"https://lospec.com/palette-list/cs112-v2"%}CS112-V2{%endai%}
 
-<section><a href="/assets/img/blog/bun.png"><figure><img src="/assets/img/blog/bun.png"><figcaption>Reference screenshot of the avatar</figcaption></figure></a></section>
+<section><a href="/assets/img/blog/bun.png"><figure><img src="/assets/img/blog/bun.png"><figcaption>In-game screenshot of the avatar</figcaption></figure></a></section>