In every blog there is a blogger default navigation bar (nav bar) of the above style. This nav bar make your blog look less professional. These navigation bars can be removed using a simple CSS one line code.

Also read: Remove Subscribe to: Posts (Atom) Link on Blogger

Removing Blogger Deafult Nav Bar

Apply these steps to remove the Blogger Navigation bar / Blogger Nav Bar.
Steps:

• Log-in to your blog
• Template >> HTML >> Proceed
• Search For this code  ]]></b:skin>   (tip: Use CTRL+F)
• Now Just above/before  ]]></b:skin>   insert following code

#navbar-iframe,#navbar { display: none !important; }

Save your template and view your blog. Blogger Navigation Bar will no longer be there.