.checkout_order_summary{

    position:relative;

    overflow:hidden;

}

.checkout_order_summary::before{

    content:"";

    position:absolute;

    top:-120px;
    left:-120px;

    width:280px;
    height:280px;

    border-radius:50%;

    background:
    radial-gradient(
        circle,
        rgba(74,15,27,.10) 0%,
        rgba(74,15,27,.04) 45%,
        transparent 75%
    );

    filter:blur(50px);

    pointer-events:none;

}