.ambient-particles{
  position:fixed;
  z-index:0;
  inset:0;
  width:100%;
  height:100%;
  pointer-events:none;
  opacity:.82;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 11%,#000 89%,transparent 100%);
  mask-image:linear-gradient(to bottom,transparent 0,#000 11%,#000 89%,transparent 100%);
}

.auth-shell{position:relative;z-index:1}
body::before{background-image:none!important}

@media(max-width:680px){.ambient-particles{opacity:.66}}
@media(prefers-reduced-motion:reduce){.ambient-particles{opacity:.38}}
.motion-forced .ambient-particles{opacity:.82}