Hi @navibd,
I added bellow CSS rules to the Edit Custom CSS modal and it worked fine.
.logo-image .d-light,
.logo-image .d-dark {
display: none !important;
}
body .d-light.d-block {
display: block !important;
}
body .d-dark {
display: none !important;
}
body.dark-active .d-light {
display: none !important;
}
body.dark-active .d-dark {
display: block !important;
}
@media (min-width: 768px) {
body .logo-image .d-light { display: block !important; }
body .logo-image .d-light.d-sm-none { display: none !important; }
body.dark-active .logo-image .d-dark { display: block !important; }
body.dark-active .logo-image .d-light { display: none !important; }
body.dark-active .logo-image .d-dark.d-sm-none { display: none !important; }
}