.toolbar .toolbar-bar #toolbar-item-administration-tray .toolbar-icon-admin-toolbar-tools-help.toolbar-icon-default:before {
    -webkit-mask-image: none !important;
    mask-image: none !important;
    -webkit-mask-position: center center;
    mask-position: center center;
    background: url('/themes/custom/petronas/images/petronas-logomark.svg');
    background-color: transparent !important;
    background-position: center;
    background-repeat: no-repeat;
    background-size: 20px auto;
}