Change bootstrap navbar collapse breakpoint 21.09.21

navbar-expand-sm = mobile menu on xs screens <576px
    navbar-expand-md = mobile menu on sm screens <768px
    navbar-expand-lg = mobile menu on md screens <992px
    navbar-expand-xl = mobile menu on lg screens <1200px
    navbar-expand = never use mobile menu
    (no expand class) = always use mobile menu

If you exclude navbar-expand-* the mobile menu will be used at all widths. Here's a demo of all 6 navbar states: Bootstrap 4 Navbar Example

You can also use a custom breakpoint (???px) by adding a little CSS. For example, here's 1300px..

@media (min-width: 1300px){
    .navbar-expand-custom {
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: flex-start;
    }
    .navbar-expand-custom .navbar-nav {
        flex-direction: row;
    }
    .navbar-expand-custom .dropdown-menu {
        position: absolute;
    }
    .navbar-expand-custom .nav-link {
        padding-right: .5rem;
        padding-left: .5rem;
    }
    .navbar-expand-custom > .container {
        flex-wrap: nowrap;
    }
    .navbar-expand-custom .navbar-collapse {
        display: flex!important;
        flex-basis: auto;
    }
    .navbar-expand-custom .navbar-toggler {
        display: none;
    }
}

https://stackoverflow.com/questions/19827605/change-bootstrap-navbar-collapse-breakpoint-without-using-less/36289507

Anonymous

Change bootstrap navbar collapse breakpoint 21.09.21

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