:root {
  font-size: 100%;
  --primary: black;
  --shimmer-color: gold;
  --shimmer-background-size: 30px; /*125px*/
}
header {
  display: flex;
  justify-content: space-around;
  color: var(--shimmer-color);
}

/*
source: https://github.com/facebookarchive/Shimmer
*/

body {
  background: #000;
}

footer label {
  background-color: inherit;
  transition: background-color 0.3s ease-in-out;
  border-radius: 5px;
  word-break: break-word;
  padding: 1px 2px 2px;
}

footer label:hover {
  cursor: pointer;
  background-color: goldenrod;
  color: var(--bg);
}

footer label:active {
  background-color: var(--accent-light);
  color: goldenrod;
}

.shimmer {
  font-weight: 300;
  font-size: 3em;
  margin: 0 auto;
  display: inline;
  margin-bottom: 0;
}
.shimmer {
  text-align: center;
  color: rgba(255, 255, 255, 0.1);
  background: -webkit-gradient(
    linear,
    left top,
    right top,
    from(#222),
    to(#222),
    color-stop(0.5, goldenrod)
  );
  background: -moz-gradient(
    linear,
    left top,
    right top,
    from(#222),
    to(#222),
    color-stop(0.5, goldenrod)
  );
  background: gradient(
    linear,
    left top,
    right top,
    from(#222),
    to(#222),
    color-stop(0.5, goldenrod)
  );
  -webkit-background-size: var(--shimmer-background-size) 100%;
  -moz-background-size: var(--shimmer-background-size) 100%;
  background-size: var(--shimmer-background-size) 100%;
  -webkit-background-clip: text;
  -moz-background-clip: text;
  background-clip: text;
  -webkit-animation-name: shimmer;
  -moz-animation-name: shimmer;
  animation-name: shimmer;
  -webkit-animation-duration: 2s;
  -moz-animation-duration: 2s;
  animation-duration: 2s;
  -webkit-animation-iteration-count: infinite;
  -moz-animation-iteration-count: infinite;
  animation-timing-function: ease-in-out;
  animation-direction: alternate;
  animation-iteration-count: infinite;
  background-repeat: no-repeat;
  background-position: 0 0;
  background-color: #222;
}
@-moz-keyframes shimmer {
  0% {
    background-position: top left;
  }
  100% {
    background-position: top right;
  }
}
@-webkit-keyframes shimmer {
  0% {
    background-position: top left;
  }
  100% {
    background-position: top right;
  }
}
@-o-keyframes shimmer {
  0% {
    background-position: top left;
  }
  100% {
    background-position: top right;
  }
}
@keyframes shimmer {
  0% {
    background-position: top left;
  }
  100% {
    background-position: top right;
  }
}