body {
  font-family: "Roboto", "Lucida Grande", "Lucida", sans-serif;
  margin: 5em auto;
  width: 550px;
}

h1 {
  font-size: 1.5em;
  margin: 0 auto 2.5em;
  font-weight: 700;
}

xmp {
  font-family: Consolas, Monaco, monospace;
  font-size: 85%;
  color: #666;
  font-weight: 400;
}

meter {
  display: block;
  margin: 0 auto;

  width: 550px;
  height: 25px;

  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;

  border: 1px solid #ccc;
  border-radius: 3px;

  /* Firefox */
  background: none; /* Required to get rid of the default background prop. */
  background-color: whiteSmoke;
  box-shadow: 0 5px 5px -5px #333 inset;
}

meter::-webkit-meter-bar {
  background: none; /* Important to get rid of default background. */
  background-color: whiteSmoke;

  box-shadow: 0 5px 5px -5px #333 inset;
}

meter::-webkit-meter-optimum-value {
  transition: width 0.5s;
  box-shadow: 0 5px 5px -5px #999 inset;

  background-image: linear-gradient(
    90deg,
    #8bcf69 5%,
    #e6d450 5%,
    #e6d450 15%,
    #f28f68 15%,
    #f28f68 55%,
    #cf82bf 55%,
    #cf82bf 95%,
    #719fd1 95%,
    #719fd1 100%
  );

  background-size: 100% 100%;
}

meter::-webkit-meter-optimum-value:hover {
  background-image: linear-gradient(
    90deg,
    #8bcf69 20%,
    #e6d450 20%,
    #e6d450 40%,
    #f28f68 40%,
    #f28f68 60%,
    #cf82bf 60%,
    #cf82bf 80%,
    #719fd1 80%,
    #719fd1 100%
  );

  transition: width 0.5s;
  width: 100% !important; /* !important keyword used to override the inline style in ebkit browsers. */
}

meter::-moz-meter-bar {
  box-shadow: 0 5px 5px -5px #999 inset;

  background-image: linear-gradient(
    90deg,
    #8bcf69 5%,
    #e6d450 5%,
    #e6d450 15%,
    #f28f68 15%,
    #f28f68 55%,
    #cf82bf 55%,
    #cf82bf 95%,
    #719fd1 95%,
    #719fd1 100%
  );

  background-size: 100% 100%;
}

p {
  margin: 0 auto;
  width: 550px;
  line-height: 2.5;
}

.free-space {
  float: right;
}

.swatch {
  margin: 0;
  padding: 0;
  margin: 5em auto;
  list-style-type: none;
  width: 550px;
  display: block;
  position: relative;
}

.swatch::before {
  content: "";
  width: 100%;
  height: 10px;
  outline: 0px solid #000;
  position: absolute;
  top: -20px;
  left: 0;
  border-radius: 2px;

  background-image: linear-gradient(
    90deg,
    #8bcf69 20%,
    #e6d450 20%,
    #e6d450 40%,
    #f28f68 40%,
    #f28f68 60%,
    #cf82bf 60%,
    #cf82bf 80%,
    #719fd1 80%,
    #719fd1 100%
  );
}

.swatch__elem {
  outline: 0px solid #c00;
  float: left;
  width: 110px;
  padding-left: 5px;

  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.used-space {
  display: block;
  line-height: 2;
  font-size: 85%;
  color: #666;
}

.meter-gauge {
  border: 1px solid #ccc;
  border-radius: 3px;

  background-color: whiteSmoke;
  box-shadow: 0 5px 5px -5px #333 inset;

  width: 550px;
  height: 25px;

  display: block;
}

.meter-gauge > span {
  height: inherit;
  box-shadow: 0 5px 5px -5px #999 inset;

  background-color: blue;
  background-image: linear-gradient(
    90deg,
    #8bcf69 5%,
    #e6d450 5%,
    #e6d450 15%,
    #f28f68 15%,
    #f28f68 55%,
    #cf82bf 55%,
    #cf82bf 95%,
    #719fd1 95%,
    #719fd1 100%
  );

  background-size: 100% 100%;

  display: block;
  text-indent: -9999px;
}