diff --git a/.emacs b/.emacs
index c893055..8f2f0de 100644
--- a/.emacs
+++ b/.emacs
@@ -27,11 +27,13 @@
 (is-installed 'which-key)
 (require 'which-key)
 (which-key-mode)
-
 ;;+++++++++++++
 ;; frame size
 ;;(setq initial-frame-alist '((top . 325)(left . 0)
 ;;			    (width . 80)(height . 50)))
+;; set transparency
+(set-frame-parameter (selected-frame) 'alpha '(95 . 50))
+(add-to-list 'default-frame-alist '(alpha . (95 . 50)))
 ;;+++++++++++
 ;; Doom-themes, all-the-icons, mode-line and font
 (unless (package-installed-p 'doom-themes)
@@ -161,6 +163,7 @@ Then run FUN with ARGS."
 ;; my keybindings:
 (global-set-key (kbd "C-c C-k") 'python-shell-send-chunk)
 
+
 ;;====================
 ;; emacs startup config
 (setq inhibit-startup-message nil) ;;inhibit startup
@@ -175,17 +178,32 @@ Then run FUN with ARGS."
 (add-hook 'prog-mode-hook 'display-line-numbers-mode) ;; display line number when programming
 (show-paren-mode +1) ;; show matching parentheses
 ;;---------
+
+;; 2.6 ace-window
+(is-installed 'ace-window)
+(global-set-key (kbd "M-o") 'ace-window)
+;; 2.7 avy
+(is-installed 'avy)
+(avy-setup-default)
+(global-set-key (kbd "M-g f") 'avy-goto-line)
+;; 2.8 multiple-cursors
+(is-installed 'multiple-cursors)
+(require 'multiple-cursors)
+(global-set-key (kbd "C-S-c C-S-c") 'mc/edit-lines)
+(global-set-key (kbd "C->") 'mc/mark-next-like-this)
+(global-set-key (kbd "C-<") 'mc/mark-previous-like-this)
+(global-set-key (kbd "C-c C-<") 'mc/mark-all-like-this)
+
 (custom-set-variables
  ;; custom-set-variables was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
  '(custom-safe-themes
-   '("b0e446b48d03c5053af28908168262c3e5335dcad3317215d9fdeb8bac5bacf9" default))
+   '("e19ac4ef0f028f503b1ccafa7c337021834ce0d1a2bca03fcebc1ef635776bea" "b0e446b48d03c5053af28908168262c3e5335dcad3317215d9fdeb8bac5bacf9" "4133d2d6553fe5af2ce3f24b7267af475b5e839069ba0e5c80416aa28913e89a" "fe2539ccf78f28c519541e37dc77115c6c7c2efcec18b970b16e4a4d2cd9891d" "4f1d2476c290eaa5d9ab9d13b60f2c0f1c8fa7703596fa91b235db7f99a9441b" default))
  '(package-selected-packages
-   '(anaconda-mode which-key use-package pyvenv pdf-tools org-ref neotree markdown-mode jedi helm doom-themes doom-modeline docker-compose-mode auctex))
- '(safe-local-variable-values
-   '((LaTeX-includegraphics-read-file . LaTeX-includegraphics-read-file-relative))))
+   '(multiple-cursors ace-window which-key use-package pyvenv pdf-tools org-ref neotree markdown-mode jedi helm doom-themes doom-modeline docker-compose-mode auctex anaconda-mode)))
+
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.