diff --git a/lisp/mitch-packages.el b/lisp/mitch-packages.el
index a54f6c0..dd2fcfa 100644
--- a/lisp/mitch-packages.el
+++ b/lisp/mitch-packages.el
@@ -109,20 +109,36 @@
 (use-package dirvish
   :straight (:files (:defaults "extensions/*.el"))
   :commands 'dirvish
+  :custom (dirvish-attributes '(all-the-icons collapse))
   :init (dirvish-override-dired-mode)
-  (setq dirvish-attributes '(all-the-icons collapse))
-  (dirvish-define-preview exa (file)
-    "Use `exa' to generate directory preview."
-    :require ("exa") ; tell Dirvish to check if we have the executable
-    (when (file-directory-p file) ; we only interest in directories here
-      `(shell . ("exa" "--color=always" "-al" ,file)))) ; use the command output as preview
-  (add-to-list 'dirvish-preview-dispatchers 'exa)
+  (defun convert-pdf-to-html (pdf)
+    "Take PDF and convert it into a html file, which is returned.
+Requires `mutool' to be installed and available in $PATH (it comes with MuPDF)."
+    (let ((html (file-name-with-extension pdf ".html")))
+      (shell-command (concat
+		      (format
+		       "mutool convert -F html -O preserve-images -o '%s' "
+		       html) (format "'%s'" pdf))) html))
+  (defun view-pdf-in-webkit (pdf)
+    "View PDF in BUFFER by using `mutool'.  This works by converting it to a
+html file and viewing that file in `xwidget-webkit'.  Requires `mutool' to be
+installed and available in $PATH (it comes with MuPDF).  Also requires Emacs to
+be built with `xwidget' support."
+    (xwidget-webkit-browse-url
+     (format "file://%s" (convert-pdf-to-html pdf))))
+  (dirvish-define-preview pdf (file ext)
+    "Use `mupdf' and `xwidget-webkit' to generate pdf preview."
+    :require ("mutool")
+    (when (equal ext "pdf")
+      (if (featurep 'xwidget webkit)
+	  (view-pdf-in-webkit file))))
+  (add-to-list 'dirvish-preview-dispatchers 'pdf)
   (setq dired-listing-switches "-l --almost-all")
   :hook (dirvish-mode . turn-off-line-numbers)
   :general
   (general-define-key
    :states 'normal
-   :keymaps '(dirvish-mode-map local)
+   :keymaps 'dirvish-mode-map
    "h" 'dired-up-directory
    "l" 'dired-find-file
    "/" 'dirvish-narrow)
@@ -132,6 +148,8 @@
    :prefix-map 'file-tree-map
    :prefix "SPC t"
    "t" 'dirvish-side))
+
+
 ;; Completion framework...
 ;; (use-package ivy
 ;;   :diminish
@@ -288,11 +306,15 @@
   (airline-display-directory t)
   (airline-eshell-colors nil)
   (airline-shortened-directory-length 20)
-  (airline-utf-glyph-separator-left 9585)
-  (airline-utf-glyph-separator-right 9586)
-  ;; (airline-utf-glyph-separator-left "")
-  ;; (airline-utf-glyph-separator-right "")
-  :custom-face (mode-line ((t (:box (:line-width 2 :style released-button)))))
+  ;; (airline-utf-glyph-separator-left 9585)
+  ;; (airline-utf-glyph-separator-right 9586)
+  (airline-utf-glyph-separator-left (string-to-char ""))
+  (airline-utf-glyph-separator-right (string-to-char ""))
+  :custom-face
+  (mode-line
+   ((t
+     (:box (:line-width 2 :style released-button)
+	   (:height (:inherit 'fixed-pitch))))))
   :config
   ;; (load-theme 'airline-kolor t)
   (load-theme 'airline-ravenpower t))
@@ -708,8 +730,8 @@
   :custom (inferior-lisp-program "sbcl")
   :init (load (expand-file-name "~/quicklisp/slime-helper.el")))
 
-(use-package nyan-mode
-  :init (nyan-mode))
+;; (use-package pdf-tools
+;;   :config (add-hook 'pdf-view-mode-hook 'turn-off-line-numbers))
 
 (provide 'mitch-packages)
 ;;; mitch-packages.el ends here