Revert "feat: update the tailwind plugin to suuport tailwindv4 #2819 (#2903)" (#2988)

Reverts tailwind v4 update. Something is wrong with the CSS files on
fresh.deno.dev 😢

Author: marvinhagemeister

deno.json

@@ -48,11 +48,11 @@
     "@std/uuid": "jsr:@std/uuid@^1.0.7",
     "fresh": "jsr:@fresh/core@^2.0.0-alpha.29",
     "preact": "npm:preact@^10.26.6",
-    "@preact/signals": "npm:@preact/signals@^2.0.4",
     "preact-render-to-string": "npm:preact-render-to-string@^6.5.11",
     "$ga4": "https://raw.githubusercontent.com/denoland/ga4/main/mod.ts",
     "@luca/esbuild-deno-loader": "jsr:@luca/esbuild-deno-loader@^0.11.0",
     "@opentelemetry/api": "npm:@opentelemetry/api@^1.9.0",
+    "@preact/signals": "npm:@preact/signals@^2.0.4",
     "esbuild": "npm:esbuild@0.25.4",
     "esbuild-wasm": "npm:esbuild-wasm@0.25.4",
     "@std/crypto": "jsr:@std/crypto@1",
@@ -66,25 +66,27 @@
     "@std/path": "jsr:@std/path@1",
     "@std/semver": "jsr:@std/semver@1",
     "@std/streams": "jsr:@std/streams@1",
+
     "@astral/astral": "jsr:@astral/astral@^0.5.3",
     "@marvinh-test/fresh-island": "jsr:@marvinh-test/fresh-island@^0.0.1",
     "linkedom": "npm:linkedom@^0.18.10",
     "@std/async": "jsr:@std/async@^1.0.13",
     "@std/expect": "jsr:@std/expect@^1.0.16",
     "@std/testing": "jsr:@std/testing@^1.0.12",
 
-    "@tailwindcss/postcss": "npm:@tailwindcss/postcss@^4.1.7",
-    "@tailwindcss/oxide": "npm:@tailwindcss/oxide@^4.1.7",
-    "postcss": "npm:postcss@8.5.3",
-    "tailwindcss": "npm:tailwindcss@^4.1.7",
+    "autoprefixer": "npm:autoprefixer@10.4.17",
+    "cssnano": "npm:cssnano@6.0.3",
+    "postcss": "npm:postcss@8.4.35",
+    "tailwindcss": "npm:tailwindcss@^3.4.1",
+
     "ts-morph": "npm:ts-morph@^25.0.1",
-    "@fresh/plugin-tailwind": "./plugin-tailwindcss/src/mod.ts",
+
+    "@fresh/plugin-tailwind": "jsr:@fresh/plugin-tailwind@^0.0.1-alpha.7",
     "@std/front-matter": "jsr:@std/front-matter@^1.0.5",
     "fresh/compat": "./src/compat/mod.ts",
     "fresh/dev": "./src/dev/mod.ts",
     "fresh/runtime": "./src/runtime/shared.ts",
     "github-slugger": "npm:github-slugger@^2.0.0",
-    "imagescript": "https://deno.land/x/imagescript@1.3.0/mod.ts",
     "marked": "npm:marked@^15.0.11",
     "marked-mangle": "npm:marked-mangle@^1.1.9",
     "prismjs": "npm:prismjs@^1.29.0"