<div class="progress">
  <div class="track">
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>
    <div class="bar"></div>
  </div>
</div>

body{
  background-color: #2e2e2e;
}

div.track, div.bar{
  box-sizing: border-box;
  position: relative;
}

div.progress{
  width: 100px;
  padding-left: 2px;
  padding-right: 2px;
  height: 21px;
  border-radius: 5px;
  border: solid 3px #4e4e4e;
  background-color: #1e1e1e;
  position: absolute;
  top: calc(50% - 13px);
  left: calc(50% - 53px);
}

div.track{
  position: relative;
  width: 100%;
  height: 21px;
  overflow: hidden;
  -webkit-animation: prgBar 5s linear 0s infinite alternate;
  animation: prgBar 5s linear 0s infinite alternate;
}

div.bar{
  height: 15px;
  width: 6px;
  background-color: #00ffff;
  position: relative;
  border-radius:2px;
  box-shadow: 0px 0px 5px #00ffff;
  margin-left: 2px;
  margin-right: 2px;
  margin-bottom: 100px;
  top: 3px;
  float: left;
  clear: top;
}

@-webkit-keyframes prgBar{
  0%    {width: 0%}
  9.99% {width: 0%}
  10%   {width: 10%}
  95%   {width: 100%}
}

@keyframes prgBar{
  0%    {width: 0%}
  9.99% {width: 0%}
  10%   {width: 10%}
  95%   {width: 100%}
}