diff --git a/.htaccess b/.htaccess
index 55edd20..ebdf58c 100644
--- a/.htaccess
+++ b/.htaccess
@@ -10,6 +10,7 @@ AddType text/css .css
 <IfModule mod_headers.c>
 Header always set X-FRAME-OPTIONS "DENY"
 Header set Content-Security-Policy "script-src 'self'"
+Header set Content-Security-Policy "base-uri 'self';"
 </IfModule>
 
 <IfModule mod_expires.c>
diff --git a/android-chrome-192x192.png b/android-chrome-192x192.png
index 58c46f3..440e786 100644
Binary files a/android-chrome-192x192.png and b/android-chrome-192x192.png differ
diff --git a/apple-touch-icon.png b/apple-touch-icon.png
index ce79460..2c733cc 100644
Binary files a/apple-touch-icon.png and b/apple-touch-icon.png differ
diff --git a/favicon-16x16.png b/favicon-16x16.png
index 255ec97..5533f83 100644
Binary files a/favicon-16x16.png and b/favicon-16x16.png differ
diff --git a/favicon-32x32.png b/favicon-32x32.png
index c97f7f5..1d78edd 100644
Binary files a/favicon-32x32.png and b/favicon-32x32.png differ
diff --git a/mstile-150x150.png b/mstile-150x150.png
index 0d74ede..b115ced 100644
Binary files a/mstile-150x150.png and b/mstile-150x150.png differ