html {
--s: 82px; /* control the size */
--c1: #b2b2b2;
--c2: #ffffff;
--c3: #d9d9d9;
--_g: var(--c3) 0 120deg,#0000 0;
background:
conic-gradient(from -60deg at 50% calc(100%/3),var(--_g)),
conic-gradient(from 120deg at 50% calc(200%/3),var(--_g)),
conic-gradient(from 60deg at calc(200%/3),var(--c3) 60deg,var(--c2) 0 120deg,#0000 0),
conic-gradient(from 180deg at calc(100%/3),var(--c1) 60deg,var(--_g)),
linear-gradient(90deg,var(--c1) calc(100%/6),var(--c2) 0 50%,
var(--c1) 0 calc(500%/6),var(--c2) 0);
background-size: calc(1.732*var(--s)) var(--s);
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.