diff --git a/static/css/app.css b/static/css/app.css
index 40233a5..dc1571d 100644
--- a/static/css/app.css
+++ b/static/css/app.css
@@ -1838,8 +1838,13 @@ html.nui-tts-on body.reader-immersive .now-playing-bar { transform: none; }
 html.nui-tts-on body.reader-immersive .reader-overlay  { bottom: var(--bar-h); }
 
 /* PDF paginated */
-.reader-content.pdf-paginated { overflow:hidden !important; display:flex; align-items:center; justify-content:center; }
+/* Page by page the page fills the whole reading area, without its padding: 66-pdf-paginated.js
+   measures the area and places the page by its text box itself. */
+.reader-content.pdf-paginated { overflow:hidden !important; display:block; padding:0 !important; }
+.reader-content.pdf-paginated > #pdf-viewport { width:100%; height:100%; max-width:none; margin:0; }
 .pdf-paginated .pdf-page-wrapper { margin:0; }
+.pdf-paginated .pdf-page-wrapper { position:relative; }
+.pdf-paginated .pdf-page-inner { position:absolute; left:0; top:0; }
 
 /* PDF loading overlay */
 .pdf-loading-overlay {