diff --git a/README.md b/README.md
index bcf2b9f..93c202b 100644
--- a/README.md
+++ b/README.md
@@ -111,10 +111,15 @@ MARKDOWN=false
 # HTML is not escaped. Don't put untrusted data here.
 # CUSTOM_HTML_LOGIN=<p style="margin-top: 1em;">Some custom text for the Login page</p>
 # CUSTOM_HTML_WISHLISTS=
+
+# Custom CSS stylesheet
+# If you wish to include a custom stylesheet you can add the filename in the variable here.
+# Remember to add the stylesheet to the filesystem at `static/css/custom.css`. In docker, mount `/usr/src/app/src/static/css/custom.css`.
+# CUSTOM_CSS=custom.css
 ```
 
 ## Default Profile Pictures
-To replace the default snowman profile pictures, replace the files in `static/img/default-pfps`. In docker, mount `/usr/src/app/static/img/default-pfps`.
+To replace the default snowman profile pictures, replace the files in `static/img/default-pfps`. In docker, mount `/usr/src/app/src/static/img/default-pfps`.
 
 ## Startup
 ```sh
diff --git a/src/config/index.js b/src/config/index.js
index 1c732c4..1ee79e9 100644
--- a/src/config/index.js
+++ b/src/config/index.js
@@ -20,7 +20,8 @@ module.exports = {
   customHtml: {
     wishlists: process.env.CUSTOM_HTML_WISHLISTS,
     login: process.env.CUSTOM_HTML_LOGIN
-  }
+  },
+  customCSS: process.env.CUSTOM_CSS || null
 }
 
 if (module.exports.guestPassword) module.exports.wishlist.public = false
diff --git a/src/views/layout.pug b/src/views/layout.pug
index daaa23b..94dfc5f 100644
--- a/src/views/layout.pug
+++ b/src/views/layout.pug
@@ -15,6 +15,8 @@ html(lang='en')
     link(rel='stylesheet', href=`${_CC.config.base}libraries/fontawesome/css/all.css`)
     link(rel='stylesheet', href=`${_CC.config.base}libraries/animate.min.css`)
     link(rel='stylesheet', href=`${_CC.config.base}css/main.css`)
+    if _CC.config.customCSS
+      link(rel='stylesheet', href=`${_CC.config.base}css/${_CC.config.customCSS}`)
   body
     .print
       .content