Tips to hide blogger Nav Bar

STEP #1:
Log in to Blogger, go to Layout and click on "Edit HTML"

Find (CTRL+F) this code in the template:

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And Before it, add the next one :

#navbar-iframe {   height:5px;   }  /* IE7, IE8, IE6 */   #navbar-iframe { height/*\**/: 30px\9; }   #navbar-iframe:hover {   height:40px; !important;    }  

Now click Save Template
And You Are done,