diff --git a/README.md b/README.md
index 2b09369..a350060 100644
--- a/README.md
+++ b/README.md
@@ -132,6 +132,15 @@ You can configure the client (the JS part) via `data-` attributes:
      <script data-isso="/isso" src="/path/to/embed.min.js"></script>
      ```
 
+*   data-isso-css
+
+    Set to `false` prevents Isso from automatically appending the stylesheet.
+    Defaults to `true`.
+
+    ```html
+    <script src="..." data-isso-css="false"></script>
+    ```
+
 ### Webserver configuration
 
 *   nginx configuration to run Isso on `/isso`:
diff --git a/isso/js/app/api.js b/isso/js/app/api.js
index 157d36f..80be93d 100644
--- a/isso/js/app/api.js
+++ b/isso/js/app/api.js
@@ -6,6 +6,9 @@ define(["q"], function(Q) {
     Q.longStackSupport = true;
 
     var salt = "Eech7co8Ohloopo9Ol6baimi",
+        config = {
+            "css": true
+        },
         location = window.location.pathname;
 
     var rules = {
@@ -45,6 +48,16 @@ define(["q"], function(Q) {
         } else if (js[i].src.match("require\\.js$")) {
             endpoint = js[i].dataset.main.replace(/\/js\/(embed|count)$/, "");
         }
+
+        [].forEach.call(js[i].attributes, function(attr) {
+            if (/^data-isso-/.test(attr.name)) {
+                try {
+                    config[attr.name.substring(10)] = JSON.parse(attr.value);
+                } catch (ex) {
+                    config[attr.name.substring(10)] = attr.value;
+                }
+            }
+        });
     }
 
     if (! endpoint) {
@@ -181,6 +194,7 @@ define(["q"], function(Q) {
     return {
         endpoint: endpoint,
         salt: salt,
+        config: config,
 
         remote_addr: remote_addr,
 
diff --git a/isso/js/embed.js b/isso/js/embed.js
index fde0140..89d9855 100644
--- a/isso/js/embed.js
+++ b/isso/js/embed.js
@@ -8,10 +8,13 @@ require(["ready", "app/api", "app/isso", "app/count", "app/dom", "app/markup", "
     "use strict";
 
     domready(function() {
-        var style = $.new("style");
-        style.type = "text/css";
-        style.textContent = css.inline;
-        $("head").append(style);
+
+        if (api.config["css"]) {
+            var style = $.new("style");
+            style.type = "text/css";
+            style.textContent = css.inline;
+            $("head").append(style);
+        }
 
         count();