To remove Navigation from Blog Page (List/Overview page), you can use this to Website Tools > Custom CSS.
body[class*="type-blog"].view-list {
div.header-nav-item, div.burger-inner {
display: none !important;
}
}
To remove Navigation from Blog Posts, you can use this CSS code
body[class*="type-blog"].view-item {
div.header-nav-item, div.burger-inner {
display: none !important;
}
}
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