diff --git a/modules/monitoring/configuration.php b/modules/monitoring/configuration.php
index 555b36aa3..f5eda99a3 100644
--- a/modules/monitoring/configuration.php
+++ b/modules/monitoring/configuration.php
@@ -352,5 +352,6 @@ $dashboard->add(
  * CSS
  */
 $this->provideCssFile('colors.less');
+$this->provideCssFile('plugin-output.less');
 $this->provideCssFile('service-grid.less');
 $this->provideCssFile('tables.less');
diff --git a/modules/monitoring/public/css/plugin-output.less b/modules/monitoring/public/css/plugin-output.less
new file mode 100644
index 000000000..7ec883363
--- /dev/null
+++ b/modules/monitoring/public/css/plugin-output.less
@@ -0,0 +1,10 @@
+/*! Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+p.plugin-output {
+  .text-small();
+  font-family: @font-family-fixed;
+}
+
+pre.plugin-output {
+  white-space: pre-wrap;
+}