refactor: ♻️ update naming of variables, classes and attributes

src/sebin/anatomy.md

@@ -90,7 +90,7 @@ Sebin is very concerned with an even distribution of muscle mass, but pays parti
 
 An assortment of additional references how Sebin can be drawn.
 
-<ref-gallery>
+<slider>
   <ref-img webc:for="ref of [...Array(9).keys()]"
     :@src="`ref-muscle-${ref + 1}.png`"
     :@alt="$data.galleryMuscle[ref].alt"
@@ -100,7 +100,7 @@ An assortment of additional references how Sebin can be drawn.
     :@char="$data.firstName.toLowerCase()"
     :@dropshadow="false"
   ></ref-img>
-</ref-gallery>
+</slider>
 
 <nsfw-barrier>
 <div slot="message">