rcreasey.github.io/src/css/background.css at ebfc33d8a162f3f4104c86f797c01803d80cbb31 · rcreasey/rcreasey.github.io · GitHub

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.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: var(--z-index-background);
  display: none;
}

.is-background-image-show .background {
  display: block;
}

.background-image {
  background-image: var(--background-image);
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: block;
  opacity: var(--background-opacity);
  transform: scale(var(--background-scale));
  filter: blur(var(--background-blur)) grayscale(var(--background-grayscale));
}

.background-accent {
  background-color: rgba(var(--theme-accent), var(--background-accent));
  position: absolute;
  top: -1em;
  left: -1em;
  width: calc(100% + 2em);
  height: calc(100% + 2em);
  pointer-events: none;
  display: block;
}

.background-vignette {
  position: absolute;
  top: -1em;
  left: -1em;
  width: calc(100% + 2em);
  height: calc(100% + 2em);
  pointer-events: none;
  background-image: radial-gradient(
    circle,
    transparent var(--background-vignette-end),
    rgba(0, 0, 0, var(--background-vignette-opacity)) var(--background-vignette-start)
  );
}