Hi
Thanks for contacting us. For your 1st site use this custom CSS
@media (max-width: 844px){
.burger-icon>span{
background-color: white !important;
}
.logo-image-phone {
height:50px !important;
}
}
For your 2nd website use this custom CSS
@media (max-width: 844px){
.burger-icon>span{
background-color: white !important;
}
.logo-image-phone {
height:50px!important;
}
}
Path towards custom CSS: Extensions>Templates>Styles> Click on your current default template name then choose Template Options. Then find custom CSS within the custom code.
-Regards.