Hello Empress
To modify the size of the hamburger menu overlay, kindly incorporate the following CSS code.
.wp-block-main-header .wp-block-navigation .wp-block-navigation__container {
margin-left: 0;
}
@media screen and (min-width: 37.5em) {
.wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-content {
padding: 30px;
}
.wp-block-navigation__responsive-container-close {
top: -41px;
}
.wp-block-navigation__responsive-container.is-menu-open {
padding: 0;
}
.wp-block-navigation__responsive-container {
bottom: auto;
left: auto;
width: 280px;
padding: 0;
position: absolute;
top: 100%;
}
.has-modal-open .admin-bar .is-menu-open .wp-block-navigation__responsive-dialog {
margin-top: 0;
}
.has-modal-open button.wp-block-navigation__responsive-container-open {
opacity: 0;
visibility: hidden;
}
.wp-block-navigation__responsive-container.is-menu-open {
overflow: visible;
}
.has-modal-open .admin-bar .is-menu-open .wp-block-navigation__responsive-dialog {
margin-top: 0;
}
}
In regard to the header issue, we have thoroughly tested it on our theme and it performed optimally. Could you please specify the specific header element you are attempting to add that led to the error? Additionally, would you provide us the URL for further investigation?
Kind Regards,
Sujapati