diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index a27c3de956..fa5811fd88 100755
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -6,6 +6,7 @@
     %meta{'http-equiv' => 'X-UA-Compatible', :content => 'IE=edge'}/
 
     %link{:rel => "apple-touch-icon", :sizes => "180x180", :href => "/apple-touch-icon.png"}/
+    %link{:rel => "mask-icon", :href => "/mask-icon.svg", :color => "#2B90D9"}/
     %link{:rel => "manifest", :href => "/manifest.json"}/
     %meta{:name => "msapplication-config", :content => "/browserconfig.xml"}/
     %meta{:name => "theme-color", :content => "#282c37"}/
diff --git a/public/mask-icon.svg b/public/mask-icon.svg
new file mode 100644
index 0000000000..c352301173
--- /dev/null
+++ b/public/mask-icon.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" height="16" width="16"><path d="M8 .1A7.9 7.9 0 0 0 .1 8 7.9 7.9 0 0 0 8 15.9 7.9 7.9 0 0 0 15.9 8 7.9 7.9 0 0 0 8 .1zm-.04 4.28h1.7c-.33.23-.44.9-.44 1.25v3.2c0 .7-.55 1.24-1.26 1.24-.7 0-1.26-.55-1.26-1.25v-3.2c0-.68.55-1.24 1.26-1.24zm-4.36.78c.7 0 1.26.55 1.26 1.24v3.2c0 .34.1 1.02.43 1.24H3.6c-.7 0-1.26-.55-1.26-1.24V6.4c0-.7.55-1.24 1.26-1.24zm8.7 0c.7 0 1.26.55 1.26 1.24v3.2c0 .7-.56 1.24-1.27 1.24h-1.7c.32-.22.43-.9.43-1.24V6.4c0-.7.56-1.24 1.26-1.24z" fill="#000"/></svg>
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