refactor: update tailwind classes to v3 syntax (satnaing#345)

Updated background/border opacity to the new syntax:
- border-skin-fill border-opacity-40 => border-skin-fill/40
- selection:bg-skin-accent selection:bg-opacity-70 => selection:bg-skin-accent/70

Author: satnaing

src/components/Search.tsx

@@ -1,5 +1,5 @@
 import Fuse from "fuse.js";
-import { useEffect, useRef, useState, useMemo } from "react";
+import { useEffect, useRef, useState, useMemo, type FormEvent } from "react";
 import Card from "@components/Card";
 import type { CollectionEntry } from "astro:content";
 
@@ -26,7 +26,7 @@ export default function SearchBar({ searchList }: Props) {
     null
   );
 
-  const handleChange = (e: React.FormEvent<HTMLInputElement>) => {
+  const handleChange = (e: FormEvent<HTMLInputElement>) => {
     setInputVal(e.currentTarget.value);
   };
 
@@ -83,10 +83,7 @@ export default function SearchBar({ searchList }: Props) {
           <span className="sr-only">Search</span>
         </span>
         <input
-          className="block w-full rounded border border-skin-fill 
-        border-opacity-40 bg-skin-fill py-3 pl-10
-        pr-3 placeholder:italic placeholder:text-opacity-75 
-        focus:border-skin-accent focus:outline-none"
+          className="block w-full rounded border border-skin-fill/40 bg-skin-fill py-3 pl-10 pr-3 placeholder:italic focus:border-skin-accent focus:outline-none"
           placeholder="Search for anything..."
           type="text"
           name="search"

src/styles/base.css

@@ -29,45 +29,23 @@
     display: block;
   }
   body {
-    @apply flex min-h-[100svh] flex-col bg-skin-fill font-mono text-skin-base 
-    selection:bg-skin-accent selection:bg-opacity-70 selection:text-skin-inverted;
+    @apply flex min-h-[100svh] flex-col bg-skin-fill font-mono text-skin-base selection:bg-skin-accent/70 selection:text-skin-inverted;
   }
   section,
   footer {
     @apply mx-auto max-w-3xl px-4;
   }
   a {
-    @apply outline-2 outline-offset-1 outline-skin-fill 
-    focus-visible:no-underline focus-visible:outline-dashed;
+    @apply outline-2 outline-offset-1 outline-skin-fill focus-visible:no-underline focus-visible:outline-dashed;
   }
   svg {
     @apply inline-block h-6 w-6 fill-skin-base group-hover:fill-skin-accent;
   }
   svg.icon-tabler {
-    @apply inline-block h-6 w-6 scale-125 fill-transparent 
-    stroke-current stroke-2 opacity-90 group-hover:fill-transparent 
-    sm:scale-110;
+    @apply inline-block h-6 w-6 scale-125 fill-transparent stroke-current stroke-2 opacity-90 group-hover:fill-transparent sm:scale-110;
   }
   .prose {
-    @apply prose-headings:!mb-3 prose-headings:!text-skin-base 
-    prose-h3:italic prose-p:!text-skin-base 
-    prose-a:!text-skin-base prose-a:!decoration-dashed prose-a:underline-offset-8
-    hover:prose-a:text-skin-accent prose-blockquote:!border-l-skin-accent
-    prose-blockquote:border-opacity-50 prose-blockquote:opacity-80
-    prose-figcaption:!text-skin-base prose-figcaption:opacity-70
-    prose-strong:!text-skin-base
-
-    
-    prose-code:rounded prose-code:bg-skin-card 
-    prose-code:bg-opacity-75 prose-code:p-1 
-    prose-code:before:!content-none prose-code:after:!content-none
-    prose-ol:!text-skin-base 
-    prose-ul:overflow-x-clip prose-ul:!text-skin-base prose-li:marker:!text-skin-accent
-    prose-table:text-skin-base prose-th:border
-    prose-th:border-skin-line prose-td:border 
-    prose-td:border-skin-line prose-img:!my-2 
-    prose-img:mx-auto prose-img:border-2 
-    prose-img:border-skin-line prose-hr:!border-skin-line;
+    @apply prose-headings:!mb-3 prose-headings:!text-skin-base prose-h3:italic prose-p:!text-skin-base prose-a:!text-skin-base prose-a:!decoration-dashed prose-a:underline-offset-8 hover:prose-a:text-skin-accent prose-blockquote:!border-l-skin-accent/50 prose-blockquote:opacity-80 prose-figcaption:!text-skin-base prose-figcaption:opacity-70 prose-strong:!text-skin-base prose-code:rounded prose-code:bg-skin-card/75 prose-code:p-1 prose-code:before:!content-none prose-code:after:!content-none prose-ol:!text-skin-base prose-ul:overflow-x-clip prose-ul:!text-skin-base prose-li:marker:!text-skin-accent prose-table:text-skin-base prose-th:border prose-th:border-skin-line prose-td:border prose-td:border-skin-line prose-img:!my-2 prose-img:mx-auto prose-img:border-2 prose-img:border-skin-line prose-hr:!border-skin-line;
   }
   .prose a {
     @apply break-words hover:!text-skin-accent;