Mountains

@grid: 1 / 600px / #000;
@seed: 1662541895232;
@place: center;
@size: 140% 130%;

background:
  linear-gradient(35deg, #000, #900a, #000),
  @m2(linear-gradient(
    @pn(165deg, -165deg),
    @stripe.@m10(hwb(@nN(*80,+120) 5% @nN(*90%)) @r(20%))
  )),
  linear-gradient(#373640,#63686e,#7e97a6,#b6f7c1);

background-blend-mode: overlay;
mask: radial-gradient(circle at 30% 10%, #fff 30%, #0000);

filter:
  brightness(4.5)
  hue-rotate(92deg)
  @svg-filter(.003 .008, 80, seed=10)
  @M2.@svg-filter(.016, 20, seed=20)
  @svg-filter(.4 .016, 10, seed=20)
  @svg-filter(.016, 20)