<div class="container">
    <div class="title">Tracker</div>
    <div class="bar">
        <span class="bar-unfill">
            <span class="bar-fill-tracker"></span>
            <span class="track-wrap">
                <span class="track"></span>
            </span>
        </span>
    </div>
</div>
body {
  padding: 5%;
}
.track-wrap {
    position:relative;
   top:-18px;
    -webkit-animation:progressbar2 7s infinite;
    animation:progressbar2 7s infinite;
}

.track {
    height:20px;
    display:block;
    background:#e74c3c;
    width:20px;
    border-radius:10px;
    position:relative;
    left:-12px
}

/* Chrome, Safari, Opera */

@-webkit-keyframes progressbar2 {
    from {
        left:0
    }
    to {
        left:100%
    }
}

/* Standard syntax */

@keyframes progressbar2 {
    from {
        left:0
    }
    to {
        left:100%
    }
}

External CSS

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External JavaScript

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