#vueg-background {
  position: absolute;
  z-index: -1;
  top: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #f8f8f8;
}

.fit-to-screen {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/*兼容ios*/

/* a,
button,
ul {
  animation: hue 60s infinite linear;
  -webkit-animation: hue 60s infinite linear;
} */

@keyframes hue {
  from {
    -webkit-filter: hue-rotate(-1deg);
  }
  to {
    -webkit-filter: hue-rotate(0deg);
  }
}