nitro math rainbow theme by jett20225566789

/* ==UserStyle==
@name           nitro math rainbow theme
@namespace      github.com/openstyles/stylus
@version        1.0.0
@description    A new userstyle
@author         jett20225566789
==/UserStyle== */

@-moz-document domain("www.nitromath.com") {
/* Rainbow background */
  body {
    background: linear-gradient(to right, #9400d3, #4b0082, #0000ff, #00ff00, #ffff00, #ff7f00, #ff0000);
    background-size: 200% 100%;
    animation: rainbowBackground 10s ease infinite;
  }

  @keyframes rainbowBackground {
    0%, 100% {
      background-position: 0 50%;
    }
    50% {
      background-position: 100% 50%;
    }
  }

}