JSFiddle - React, Tailwind, and code Playground

HTML

<div class="meter complete"> <!-- Remove .complete to stop animation -->
    <div class="left-border">
        <div class="inner"></div>
    </div>
    <div class="wrap">
        <div class="progress"></div>
        <div class="top-mask"></div>
        <div class="bottom-mask"></div>
        <div class="circle-wrap">
            <div class="circle"></div>
        </div>
    </div>
</div>

CSS

html, body { padding: 25px; }
.circle {
    margin-left: -6px;
    width: 48px;
    height: 48px;
    border-radius: 25px 25px 25px 24px;
    border: solid rgba(178,181,188, 0.8) 1px;
    box-shadow:
        inset 1px 2px 0 #fff,
        inset 1px -2px 0 #fff,
        inset -2px 0 0 #fff,
        inset -2px -2px 0 #fff,
        inset 0 3px 0 rgba(255,255,255,0.35),
        -20px -20px 0 #fff,
        20px  -20px 0 #fff,
        20px  20px  0 #fff,
        -20px 20px  0 #fff;
}
.circle-wrap {
    overflow: hidden;
    width: 48px;
    height: 51px;
    position: absolute;
    right: 0;
}
.wrap {
    display: -webkit-box;
    width: 100%;
    position: relative;
    height: 51px;
    overflow: hidden;
}
.progress {
    position: absolute;
    z-index: 0;
    height: 100%;
    width: 70%;
    background: url("http://dl.dropbox.com/u/905197/white-stripe-diagonal.png"), -webkit-linear-gradient(top, rgba(183,237,21,1) 0%,rgba(140,186,24,1) 28%,rgba(78,126,11,1) 65%,rgba(59,86,0,1) 99%);
}
.meter.complete .progress {
    width: 100%;
    -webkit-animation: progress-slide 0.6s linear infinite;
}
@-webkit-keyframes progress-slide {  
    0% {  
      background-position: 0 0; 
    }  
    
    100% {  
      background-position: 25px 25px; 
    }  
} 
.progress-cover {
    position: absolute;
    top: 19px;
    width: 70%;
    height: 12px;
    border-radius: 9px 0 0 9px;
    border: solid #70901b 1px;
    border-right: 0;
    z-index: 2;
}
.top-mask {
    position: absolute;
    box-sizing: border-box;
    width: 100%;
    height: 18px;
    padding-left: 45px;
    margin-left: -45px;
    background: white;
    border-bottom: solid #b2b5bc 1px;
    border-radius: 0 0 33px 0;
    box-shadow: 
        1px 2px 0 #fff,
        0 3px 0 rgba(255,255,255,0.35);
}
.bottom-mask {
    position: absolute;
    bottom: 0;
    box-sizing: border-box;
    width: 100%;
    height: 17px;
    padding-left: 45px;
    margin-left: -45px;
    background: white;
    border-top: solid #b2b5bc...