diff --git a/compresscss.sh b/compresscss.sh
new file mode 100755
index 0000000..1e29259
--- /dev/null
+++ b/compresscss.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i zsh
+#!nix-shell -I nixpkgs="https://github.com/NixOS/nixpkgs/archive/19.09.tar.gz"
+#!nix-shell -p minify
+
+minify $1 > $2
diff --git a/mkrss.sh b/mkrss.sh
index 8507107..0300467 100755
--- a/mkrss.sh
+++ b/mkrss.sh
@@ -1,5 +1,6 @@
 #!/usr/bin/env nix-shell
 #!nix-shell -i zsh
+#!nix-shell -I nixpkgs="https://github.com/NixOS/nixpkgs/archive/19.09.tar.gz"
 
 # Directory
 webdir="_site"
diff --git a/project.el b/project.el
index b9da87d..838b4a1 100644
--- a/project.el
+++ b/project.el
@@ -1,8 +1,9 @@
 ;; sign it with
 ;; gpg --local-user yann@esposito.host --output project.el.sig --detach-sign project.el
 (defvar domainname "https://her.esy.fun")
-(defvar base-dir (concat (projectile-project-root) "src"))
-(defvar publish-dir (concat (projectile-project-root) "_site"))
+(defvar root-dir (projectile-project-root))
+(defvar base-dir (concat root-dir "src"))
+(defvar publish-dir (concat root-dir "_site"))
 (defvar assets-dir (concat base-dir "/"))
 (defvar publish-assets-dir (concat publish-dir "/"))
 (defvar posts-dir (concat base-dir "/posts"))
@@ -215,11 +216,13 @@ Return output file name."
   (or (equal (expand-file-name (file-name-directory filename))
 	           (file-name-as-directory (expand-file-name pub-dir)))
       (let ((dst-file (expand-file-name (file-name-nondirectory filename) pub-dir)))
-        (if (string-match-p ".*\\.\\(png\\|jpg\\|gif\\)$" filename)
-            (shell-command (format "~/.nix-profile/bin/convert %s -resize 800x800\\> +dither -colors 16 -depth 4 %s"
-                                   filename
-                                   dst-file))
-          (copy-file filename dst-file t)))))
+        (cond ((string-match-p ".*\\.\\(png\\|jpg\\|gif\\)$" filename)
+               (shell-command (format "~/.nix-profile/bin/convert %s -resize 800x800\\> +dither -colors 16 -depth 4 %s"
+                                      filename
+                                      dst-file)))
+              ((string-match-p ".*\\.css$" filename)
+               (shell-command (format "%s/compresscss.sh %s %s" root-dir filename dst-file)))
+              (t (copy-file filename dst-file t))))))
 
 (defalias 'org-blog-posts-sitemap-fn
   (apply-partially 'org-blog-sitemap-fn-descr posts-descr))
diff --git a/project.el.sig b/project.el.sig
index 2fd27c4..e91dd64 100644
Binary files a/project.el.sig and b/project.el.sig differ
diff --git a/src/css/minimalist.css b/src/css/minimalist.css
index fd92941..7072fe7 100644
--- a/src/css/minimalist.css
+++ b/src/css/minimalist.css
@@ -333,6 +333,21 @@ navigation > a {
     font-style: italic;
 }
 
+/* Dark themes soften and darken images */
+img {
+    filter: saturate(0.8) brightness(0.8);
+}
+/* Light themes does not soften and darken images */
+input#light:checked ~ .main img,
+input#light:target ~ .main img,
+input#simple:checked ~ .main img,
+input#simple:target ~ .main img,
+input#modern:checked ~ .main img,
+input#modern:target ~ .main img {
+    filter: none;
+}
+
+/* --------------------------------------------------------------------------- */
 /* Dark theme selected */
 input#dark:checked ~ .main ,
 input#dark:target ~ .main {
@@ -352,7 +367,13 @@ input#dark:target ~ .main {
     --color-h6: var(--reveal-foreground);
     --color-link: var(--green);
 }
+input#dark:checked ~ #labels ,
+input#dark:target ~ #labels {
+    background: var(--base03);
+    color: var(--base0);
+}
 
+/* --------------------------------------------------------------------------- */
 /* Light theme selected */
 input#light:checked ~ .main ,
 input#light:target ~ .main {
@@ -378,24 +399,7 @@ input#light:target ~ #labels {
     color: var(--base00);
 }
 
-/* Dark theme selected */
-input#dark:checked ~ .main ,
-input#dark:target ~ .main {
-    --main-background: var(--base03);
-    --main-foreground: var(--base0);
-    --second-foreground: var(--base01);
-    --reveal-foreground: var(--base1);
-    --reveal-background: var(--base02);
-    --soft-foreground: var(--base01);
-    --border-color: var(--base02);
-    --todo-txt: #000;
-}
-input#dark:checked ~ #labels ,
-input#dark:target ~ #labels {
-    background: var(--base03);
-    color: var(--base0);
-}
-
+/* --------------------------------------------------------------------------- */
 /* Light simple theme selected */
 input#simple:checked ~ .main ,
 input#simple:target ~ .main {
@@ -443,6 +447,41 @@ input#simple:target ~ .main pre
 {
     font-family: monospace;
 }
+
+/* --------------------------------------------------------------------------- */
+/* Dark matrix theme selected */
+input#matrix:checked ~ .main ,
+input#matrix:target ~ .main {
+    --main-background: #000;
+    --main-foreground: #0b0;
+    --second-foreground: #080;
+    --reveal-foreground: #0f0;
+    --reveal-background: #000;
+    --soft-foreground: #080;
+    --border-color: #080;
+    --todo-txt: #0b0;
+    --color-h1: #0b0;
+    --color-h2: #0b0;
+    --color-h3: #0b0;
+    --color-h4: #0b0;
+    --color-h5: #0b0;
+    --color-h6: #0b0;
+    --color-link: #080;
+    font-family: monospace;
+}
+input#matrix:checked ~ #labels ,
+input#matrix:target ~ #labels {
+    background: #000;
+    color: #0b0;
+}
+input#matrix:checked ~ .main code,
+input#matrix:target ~ .main code,
+input#matrix:checked ~ .main pre ,
+input#matrix:target ~ .main pre {
+    font-family: monospace;
+}
+
+/* --------------------------------------------------------------------------- */
 /* Light modern theme selected */
 input#modern:checked ~ .main ,
 input#modern:target ~ .main {
@@ -597,6 +636,7 @@ input#modern:target ~ #labels .content {
     margin: 0 auto;
 }
 
+/* --------------------------------------------------------------------------- */
 /* Dark simple theme selected */
 input#darksimple:checked ~ .main ,
 input#darksimple:target ~ .main {
@@ -646,37 +686,7 @@ input#darksimple:target ~ .main #content {
     margin: 0 auto;
 }
 
-/* Dark matrix theme selected */
-input#matrix:checked ~ .main ,
-input#matrix:target ~ .main {
-    --main-background: #000;
-    --main-foreground: #0b0;
-    --second-foreground: #080;
-    --reveal-foreground: #0f0;
-    --reveal-background: #000;
-    --soft-foreground: #080;
-    --border-color: #080;
-    --todo-txt: #0b0;
-    --color-h1: #0b0;
-    --color-h2: #0b0;
-    --color-h3: #0b0;
-    --color-h4: #0b0;
-    --color-h5: #0b0;
-    --color-h6: #0b0;
-    --color-link: #080;
-    font-family: monospace;
-}
-input#matrix:checked ~ #labels ,
-input#matrix:target ~ #labels {
-    background: #000;
-    color: #0b0;
-}
-input#matrix:checked ~ .main code,
-input#matrix:target ~ .main code,
-input#matrix:checked ~ .main pre ,
-input#matrix:target ~ .main pre {
-    font-family: monospace;
-}
+/* --------------------------------------------------------------------------- */
 /* Default color theme */
 body,.main {
     background: var(--main-background);