<script src="https://cdn.tailwindcss.com"></script>
<script>
    tailwind.config = {
      darkMode: "class",
    }
  </script>
<main>
     <div>
        <div >
            <div class="grad absolute -inset-[10px] opacity-50">
            </div>
        </div>
        
    </div>
</main>
<style>

@-webkit-keyframes grad {
    from {
        background-position: 50% 50%, 50% 50%;
    }
    to {
        background-position: 350% 50%, 350% 50%;
    }
}

@keyframes grad {
    from {
        background-position: 50% 50%, 50% 50%;
    }
    to {
        background-position: 350% 50%, 350% 50%;
    }
}

.grad {
    --stripes: repeating-linear-gradient(
        100deg,
        #fff 0%,
        #fff 7%,
        transparent 10%,
        transparent 12%,
        #fff 16%
    );
    --stripesDark: repeating-linear-gradient(
        100deg,
        #000 0%,
        #000 7%,
        transparent 10%,
        transparent 12%,
        #000 16%
    );
    --rainbow: repeating-linear-gradient(
        100deg,
        #60a5fa 10%,
        #e879f9 15%,
        #60a5fa 20%,
        #5eead4 25%,
        #60a5fa 30%
    );
    background-image: var(--stripes), var(--rainbow);
    background-size: 300%, 200%;
    background-position: 50% 50%, 50% 50%;

    filter: blur(10px) invert(100%);

    -webkit-mask-image: radial-gradient(ellipse at 100% 0%, black 40%, transparent 70%);

    mask-image: radial-gradient(ellipse at 100% 0%, black 40%, transparent 70%);
}

.grad::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--stripes), var(--rainbow);
    background-size: 200%, 100%;
    -webkit-animation: grad 60s linear infinite;
            animation: grad 60s linear infinite;
    background-attachment: fixed;
    mix-blend-mode: difference;
}
</style>