Fix up styling

Author: nmattia

.github/workflows/publish.yml

@@ -36,6 +36,7 @@ jobs:
           # from the archive
           cp ./src/bin/cyoa/ghostwriter.html "$tweego_dir"/ghostwriter.html
           cp ./src/bin/cyoa/main.js "$tweego_dir"/main.js
+          cp ./src/bin/cyoa/main.css "$tweego_dir"/main.css
           cd "$tweego_dir"
           curl -LO https://github.com/tmedwards/tweego/releases/download/v2.1.1/tweego-2.1.1-linux-x64.zip
           unzip ./tweego-2.1.1-linux-x64.zip
@@ -44,7 +45,7 @@ jobs:
           mkdir -p "$dist_dir"
           # the file lists a format (3.2+) that is newer than what tweego knows about, which makes it fail.
           # So here we reassure it it's ok to use what it knows as "harlowe 3" instead.
-          ./tweego --format=harlowe-3 ./ghostwriter.html ./main.js > "$dist_dir"/index.html
+          ./tweego --format=harlowe-3 ./ghostwriter.html ./main.js ./main.css > "$dist_dir"/index.html
 
       - name: Upload pages artifact
         uses: actions/upload-pages-artifact@v3

src/bin/cyoa/main.css

@@ -0,0 +1,10 @@
+body {
+    background-color: black;
+}
+
+tw-story {
+    max-width: 900px;
+    margin: auto;
+    padding: 1em; /* override default styles */
+    padding-top: 2em;
+}