correct install information for activate overlib

html/css/custom/styles.css

 /* Not finished */
-/*-----------------------
+/*--------------------------------------------------
 # Create by ckforum
 # june 2019
-# release 1.9
-# thanks to yoyo
-------------------------*/
+# release 2.0
+# thanks to yoyo and librenms teams
+# warning ! for backgroud of overlib 
+# see https://github.com/librenms/librenms/pull/10300 
+----------------------------------------------------*/
 
-/* INSTALLATION ADD THIS BELOW TO YOUR CONFIG.PHP */
+/* INSTALLATION ADD THIS BELOW TO YOUR CONFIG.PHP and delete this config add on comment */
 
-/* SEEE MORE @ https://github.com/librenms/librenms/blob/master/includes/defaults.inc.php */
+/* SEE MORE @ https://github.com/librenms/librenms/blob/master/includes/defaults.inc.php */
 /*
 
 ### DARK MODE
-// rtext color graph
+// text color graph
 $config['rrdgraph_def_text_color'] = 'ffffff';
 
 // Set to TRUE if you want to display the 95% based on the highest value. (aka real 95%)
+// can't see the difference ...
 $config['overlib_defaults'] = ",FGCOLOR,'#fff', BGCOLOR, '#000', BORDER, 5, CELLPAD, 4, CAPCOLOR, '#555555', TEXTCOLOR, '#ffffff'";
 
 // Set this to false if you want to disable the mouseover popup graphs
-$config['web_mouseover']    = false;
+$config['web_mouseover']    = true;
 
 ### custom style
 # uncomment line below and replace the logo with yours