.meter {
  box-sizing: content-box;
  height: 250px; /* Can be anything */
  position: relative;
  margin: 60px 0 20px 0; /* Just for demo spacing */
}
.meter > span {
  display: block;
  height: 100%;
  border-radius: 8px;
  background-color: rgb(16, 93, 251);
  background-image: linear-gradient(
    center bottom,
    rgb(43, 194, 83) 37%,
    rgb(84, 240, 84) 69%
  );
  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(0, 0, 0, 0.1) 25%,
    transparent 25%,
    transparent 50%,
    rgba(0, 0, 0, 0.1) 50%,
    rgba(0, 0, 0, 0.1) 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;
  }
}

