.meter {
  box-sizing: content-box;
  height: 10px; /* Can be anything */
  position: relative;

  background: #555;
  border-radius: 8px;
  padding: 4px;
  box-shadow: inset 0 -1px 1px rgba(255, 255, 255, 0.3);
}
.meter > span {
  display: block;
  height: 100%;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
  background-color: rgb(43, 194, 83);
  background-image: linear-gradient(
    center bottom,
    rgb(43, 194, 83) 37%,
    rgb(84, 240, 84) 69%
  );
  box-shadow: inset 0 2px 9px rgba(255, 255, 255, 0.3),
    inset 0 -2px 6px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}
.meter > span:after,
.animate > span > span {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-image: linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.2) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.2) 75%,
    transparent 75%,
    transparent
  );
  z-index: 1;
  background-size: 50px 50px;
  animation: move 2s linear infinite;
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
  overflow: hidden;
}

.animate > span:after {
  display: none;
}

@keyframes move {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 50px 50px;
  }
}

.orange > span {
  background-image: linear-gradient(#f1a165, #f36d0a);
}

.red > span {
  background-image: linear-gradient(#f0a3a3, #f42323);
}

.nostripes > span > span,
.nostripes > span::after {
  background-image: none;
}

#page-wrap {
  width: 490px;
  margin: 80px auto;
}

* {
  box-sizing: border-box;
}