* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #000;
  overflow: hidden;
}

#holder {
  background: conic-gradient(in hsl shorter hue, blue, aqua, yellow, yellow, blue);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  isolation: isolate;
}

canvas {
  mix-blend-mode: multiply;
  backdrop-filter: blur(100px);
}
.container {
  mix-blend-mode: screen;
}
.supercontainer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: url("../img24.jpg");
  background-size: cover;
  border-radius: 10px;
}