.spinner {
  font-size: 10px;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  position: fixed;
  z-index: 10;
  top: 50%;
  left: 50%;
  text-indent: -9999em;
  animation: mulShdSpin 1.1s infinite ease;
  transform: translateZ(0);
}
.input-group {
  z-index: 10;
}
@keyframes mulShdSpin {
  0%,
  100% {
    box-shadow: 0em -2.6em 0em 0em #ffffff,
      1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2),
      2.5em 0em 0 0em rgba(255, 255, 255, 0.2),
      1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2),
      0em 2.5em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2),
      -2.6em 0em 0 0em rgba(255, 255, 255, 0.5),
      -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.7);
  }
  12.5% {
    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.7),
      1.8em -1.8em 0 0em #ffffff, 2.5em 0em 0 0em rgba(255, 255, 255, 0.2),
      1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2),
      0em 2.5em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2),
      -2.6em 0em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.5);
  }
  25% {
    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.5),
      1.8em -1.8em 0 0em rgba(255, 255, 255, 0.7), 2.5em 0em 0 0em #ffffff,
      1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2),
      0em 2.5em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2),
      -2.6em 0em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);
  }
  37.5% {
    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2),
      1.8em -1.8em 0 0em rgba(255, 255, 255, 0.5),
      2.5em 0em 0 0em rgba(255, 255, 255, 0.7), 1.75em 1.75em 0 0em #ffffff,
      0em 2.5em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2),
      -2.6em 0em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);
  }
  50% {
    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2),
      1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2),
      2.5em 0em 0 0em rgba(255, 255, 255, 0.5),
      1.75em 1.75em 0 0em rgba(255, 255, 255, 0.7), 0em 2.5em 0 0em #ffffff,
      -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.2),
      -2.6em 0em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);
  }
  62.5% {
    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2),
      1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2),
      2.5em 0em 0 0em rgba(255, 255, 255, 0.2),
      1.75em 1.75em 0 0em rgba(255, 255, 255, 0.5),
      0em 2.5em 0 0em rgba(255, 255, 255, 0.7), -1.8em 1.8em 0 0em #ffffff,
      -2.6em 0em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);
  }
  75% {
    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2),
      1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2),
      2.5em 0em 0 0em rgba(255, 255, 255, 0.2),
      1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2),
      0em 2.5em 0 0em rgba(255, 255, 255, 0.5),
      -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.7), -2.6em 0em 0 0em #ffffff,
      -1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2);
  }
  87.5% {
    box-shadow: 0em -2.6em 0em 0em rgba(255, 255, 255, 0.2),
      1.8em -1.8em 0 0em rgba(255, 255, 255, 0.2),
      2.5em 0em 0 0em rgba(255, 255, 255, 0.2),
      1.75em 1.75em 0 0em rgba(255, 255, 255, 0.2),
      0em 2.5em 0 0em rgba(255, 255, 255, 0.2),
      -1.8em 1.8em 0 0em rgba(255, 255, 255, 0.5),
      -2.6em 0em 0 0em rgba(255, 255, 255, 0.7), -1.8em -1.8em 0 0em #ffffff;
  }
}

footer {
  background-color: rgba(50, 50, 50, 0.7);
  padding: 5px 30px;
  border-radius: 70px;
  color: rgb(255, 255, 255);
  font-size: 12px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}