Learn how to hide,disable or remove the blogger  navbar(navigation  bar) from your blog.
First,let us see what blogger  navbar is:
Blogger navbar allows users to easily   navigate to other random blogs and it also has a feauture to search  the  blogs ,and mark any blog as spam.
So,now you have a clear idea  of  what really a blogger navbar is.So, why so many people prefer to  just  remove the navbar inspite of the feautures it has like  search,etc.Many  people think that, it spoils the look of the  blog,especially if your  blog has differnet subtitle layout which looks  too obvious to see for a  visitor.Well, let me come to the actual point  on how to disable or hide  your blogger navbar.
Below is the  step-by-step procedure on how  to do it with photos to make it easy to  understand.
1.Sign in to  your  blogger account and click the 
layout button next to  your  blog name
2.Next,click the 
edit  html tab  as shown in the below picture.
3.Add  the below html code as specified in the  below picture.
#navbar {
      height: 0px;
      visibility: hidden;
      display: none;
}
 4
4.  Save the changes.
Now, you can see  your blog without that  navbar(this tip can only hides the navbar,it  doesn't completely delete  it).If you want the navbar to appear  again,just remove that code and  save the changes.
If you have any  doubts,regarding this post,don't  hesitate to ask.You can ask your doubts  via comments to this post.