<div></div>
div {
    height: 100vh;

    background:
        radial-gradient(ellipse 80% 150% at right, rgba(240, 212, 200, 1) 50%, transparent 50%),
        radial-gradient(ellipse 100% 150% at right, rgba(240, 212, 200, 0.5) 50%, transparent 50%);
}

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External JavaScript

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