<!DOCTYPE html>
<html lang="it">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Tailwind Bubble Component</title>
    <script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-[#a5ac81] flex items-center justify-center min-h-screen">

    <div class="relative group">
        
        <div class="relative z-10 flex h-14 min-w-[65px] items-center justify-center 
                    rounded-[14px] border-[3px] border-black bg-[#86aebc] 
                    px-4 text-2xl font-sans font-medium text-white 
                    shadow-[inset_0_0_0_2px_#b1d4e0] select-none">
            0
        </div>

        <div class="absolute left-1/2 -bottom-[14px] z-0 -translate-x-1/2 
                    w-0 h-0 
                    border-l-[12px] border-l-transparent 
                    border-r-[12px] border-r-transparent 
                    border-t-[15px] border-t-black">
        </div>
        
        <div class="absolute left-1/2 -bottom-[8px] z-20 -translate-x-1/2 
                    w-0 h-0 
                    border-l-[9px] border-l-transparent 
                    border-r-[9px] border-r-transparent 
                    border-t-[12px] border-t-[#86aebc]">
        </div>

    </div>

</body>
</html>