I use bootstarp navbar. When I scroll up.. the block content appear behind the navbar. Navbar fixed on the top.
My Navbar
<main id="navfix" class="m-5">
    <nav class="navabar_bgc py-0 navbar navbar-expand navbar-light fixed-top">
        {% include 'sidebar.html' %}
        <div class="collapse navbar-collapse" id="collapsibleNavId">
            <ul class="navbar-nav ml-auto mt-lg-0">
               <div>...</div>
            </ul>
        </div>
    </nav>
</main>
<div class="block__content">
{% block content %}
{% endblock %}
</div>
My css:
#navfix {
  width: 100%;
}
.navabar_bgc {
  background-color: rgba(103, 250, 34, 0.4) !important;
  box-shadow: 0px 0px 8px !important;
  z-index: 10 !important;
}
.block__content {
  z-index: 5;
  overflow: auto;
}
Any other suggestion please give me..Thanks.
