Create a new image called report_bg_red.gif:
Add this inside your page header to exchange the IRR default image:
Change "/i/my_images/" with your image directory.
If you want to customize even more CSS watch this blog post of Shakeeb Rahman: http://apex.shak.us/post/1145946801/fully-control-your-interactive-reports-toolbar
Add this inside your page header to exchange the IRR default image:
.apexir_WORKSHEET_DATA th {
background: url("/i/my_images/ir_styles/report_bg_red.gif") repeat-x scroll 0 0 #AAAAAA;
}
Change "/i/my_images/" with your image directory.
If you want to customize even more CSS watch this blog post of Shakeeb Rahman: http://apex.shak.us/post/1145946801/fully-control-your-interactive-reports-toolbar