nav#menu-mobile:not(.mm-menu)
{
display: none;
}

.header-menu-mobile
{
background: #777;
font-size: 16px;
font-weight: bold;
color: #fff;
line-height: 40px;
-moz-box-sizing: border-box;
box-sizing: border-box;	
width: 100%;
height: 40px;
padding: 0 50px;
}
.header-menu-mobile.fixed
{
position: fixed;
top: 0;
left: 0;
}

.header-menu-mobile a
{
background: center center no-repeat transparent;
background-image: url( data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABkAAAAZCAYAAADE6YVjAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAADhJREFUeNpi/P//PwOtARMDHQBdLGFBYtMq3BiHT3DRPU4YR4NrNAmPJuHRJDyahEeT8Ii3BCDAAF0WBj5Er5idAAAAAElFTkSuQmCC );

display: block;
width: 40px;
height: 40px;
position: absolute;
top: 0;
left: 10px;
}