header.mui-bar{
    z-index: 19999 !important;
    background: white ;
    width:100% !important;
    max-width:777px !important;
    margin: 0 auto !important;
}
header.mui-bar *{
    color: black ;
}
header.mui-bar .mui-pull-left{ }
header.mui-bar .mui-pull-right{font-size: 14px !important; }
header.mui-bar .mui-title{}