#navbar-iframe {
height:0px;
visibility:hidden;
display:none;
}

or add this piece of code

#navbar-iframe {
display: none;
}

Contoh penempatan:

/* Header
-----------------------------------------------
*/
#navbar-iframe {
height:0px;
visibility:hidden;
display:none;
}

or add this piece of code

#navbar-iframe {
display: none;
}

Ingat dibawah /* Header
-----------------------------------------------
*/