diff --git a/css/plugins/alertbox.less b/css/plugins/alertbox.less
new file mode 100644
index 0000000..f918abf
--- /dev/null
+++ b/css/plugins/alertbox.less
@@ -0,0 +1,38 @@
+/**
+ * This file provides styles for alertbox plugin
+ */
+
+/* + + + + +  global  + + + + + */
+#dokuwiki__content {
+  .alert {
+    padding: 15px;
+    margin-bottom: 20px;
+    border: 1px solid transparent;
+    border-radius: 4px;
+  }
+
+  .alert-success {
+    color: #3c763d;
+    background-color: #dff0d8;
+    border-color: #d6e9c6;
+  }
+
+  .alert-info {
+    color: #31708f;
+    background-color: #d9edf7;
+    border-color: #bce8f1;
+  }
+
+  .alert-warning {
+    color: #8a6d3b;
+    background-color: #fcf8e3;
+    border-color: #faebcc;
+  }
+
+  .alert-danger {
+    color: #a94442;
+    background-color: #f2dede;
+    border-color: #ebccd1;
+  }
+
+}
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