html {
--s: 120px; /* control the size */
--_g: 80%,#e7525b 25.4%,#0000 26%;
background:
radial-gradient(at 80% var(--_g)),radial-gradient(at 20% var(--_g)),
conic-gradient(from -45deg at 50% 41%,#e7525b 90deg,#78dbf0 0)
calc(var(--s)/2) 0;
background-size: var(--s) var(--s);
}
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