When you choose a blogspot template it usually comes with a top Navbar almost like an admin bar. Some people find it really helpful and easier to manage their account. But the rest dont like that. I persoanlly don’t like that tag on the top so let me tell you how to get rid off the navbar.
PS: Remove the Navbar isn’t against the Blogspot/Blogger TOS so nothingto fear about.
Dashboard > Layout > Edit HTML and check the “Expand Widget Templates” option.
Important Step: Now as a precautionary measure please download your template so that you have an emergency backup if in case you create any errors
First locate this code in your blogger template.
And just below <b:skin><![CDATA[ paste the following code-