html {
  --s: 150px; /* control the size */
  
  --_g: #0000 90deg,#046D8B 0;
  background:
    conic-gradient(from 116.56deg at calc(100%/3) 0   ,var(--_g)),
    conic-gradient(from -63.44deg at calc(200%/3) 100%,var(--_g))
    #2FB8AC;
  background-size: var(--s) var(--s);
}