A vast majority of the customization now possible via free accounts is accomplished through the use of a GLOBAL_HEAD override. However, only one GLOBAL_HEAD block is allowed at a time in your Style Overrides box (
http://www.livejournal.com/modify.bml). (If you would like to learn more about overrides and how they work, you may wish to read
FAQ #124.)
You must merge them if you want to combine effects that both use a GLOBAL_HEAD. This can be easy if you are using HTML tags such as ,
,