How do I get the second inner div to be on top of the first inner div (map)? I can't figure this out, despite using relative & absolute positioning. I'm using React & Tailwind CSS. Instead, the second inner div currently follows the flow of the image and is positioned below the first children div.
<div className="relative w-full h-screen">
<div className="bg-green-400 w-full h-full z-0">
<p className="italic text-bold bd-red-100 font-serif">Map</p>
</div>
<div className="absolute z-50">
<p className="text-2xl font-bold">This should be on top of the map</p>
</div>
</div>
Here's a Tailwind Play Code I created based on your query. I have tweaked height and width for proper visual.
<div class="w-full h-screen bg-gray-200 flex justify-center items-center">
<div class="bg-gray-400 w-96 h-96 relative z-0">
<p class="italic text-bold bd-red-100 font-serif">Map</p>
<div class="absolute inset-0 flex justify-center items-center z-10">
<p class="text-2xl font-bold">This should be on top of the map</p>
</div>
</div>
</div>
I would like to extend @Digvijay's answer further more to provide extended explanation, which consists
LogicResponsive SidebarResponsive Sidebar with hamburger menuYou'll have to work with relative absolute and z-index to make this work.
Have parent relative having z-index value less than the child absolute div which will be used for navbar.
<div class="h-screen relative z-0 flex bg-gray-500">
<div class="text-4xl">
The main content of the file and it has it's content all over the page
and i want to build a navbar on top of this
</div>
<div class="absolute inset-y-0 left-0 z-10 bg-green-400 w-1/3">
<div class="flex h-full items-center justify-center text-4xl">
Mobile Navbar
</div>
</div>
</div>

If you are aiming to build responsive sidebar which overlaps only on the mobile screen but would be normal div in the large screen then follow the below code.
<div class="md:bg-yellow-400 h-screen relative z-0 flex bg-gray-500">
<div class="invisible md:visible bg-blue-400 w-1/3">
<div class="flex h-full items-center justify-center text-4xl">
Desktop Navbar
</div>
</div>
<div class="text-4xl">
The main content of the file and it has it's content all over the page
and i want to build a navbar on top of this
</div>
<div
class="absolute inset-y-0 left-0 z-10 bg-green-400 w-1/3 md:invisible"
>
<div class="flex h-full items-center justify-center text-4xl">
Mobile Navbar
</div>
</div>
</div>



hamburger menu
hamburger menu
<body>
<div class="bg-yellow-400 h-screen relative z-0 flex">
<div class="hidden md:block bg-blue-400 w-1/3">
<div class="flex h-full items-center justify-center text-4xl">
Desktop Navbar
</div>
</div>
<div class="text-4xl pl-24 md:p-0 main_content">
The main content of the file and it has it's content all over the page
and i want to build a navbar on top of this
</div>
<div
class="mobile_navbar absolute inset-y-0 left-0 z-10 bg-green-400 w-1/3 hidden md:hidden"
>
<div class="flex h-full items-center justify-center text-4xl">
Mobile Navbar
</div>
</div>
<div
class="md:hidden space-y-2 absolute hamburger_menu inset-y-0 left-0 p-4"
>
<span class="block w-8 h-1 bg-white"></span>
<span class="block w-8 h-1 bg-white"></span>
<span class="block w-8 h-1 bg-white"></span>
</div>
</div>
<script type="text/javascript">
document
.querySelector(".hamburger_menu")
.addEventListener("click", () => {
console.log("Hello");
document.querySelector(".mobile_navbar").classList.toggle("hidden");
});
document.querySelector(".main_content").addEventListener("click", () => {
console.log("Touch me");
console.log(
document
.querySelector(".mobile_navbar")
.classList.contains("hidden") == false &&
document.querySelector(".mobile_navbar").classList.toggle("hidden")
);
});
</script>
</body>
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