When you create your own custom banner in Blogger, the blogger border remains and if it is the wrong size will end up around your image and it does not look so good.
Before you start editing always back up just in case you delete something by mistake. The option below appers in the Edit HTML page.
Before editing your template, you may want to save a copy of it.
There is also an option on this page to – Download Full Template
1. Go to Customise – Layout – Edit HTML
2. Scroll down until you find this piece of code.