<!DOCTYPE html>
<html>
<head>
<style>
    .arc {
        width: 200px;
        height: 200px;
        border-radius: 50%;
        position: relative;
        overflow: hidden;
    }
<pre><code>.arc::before {
    content: '';
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: absolute;
    border: 5px solid transparent;
    border-top-color: red;
    transform: rotate(72deg);
}

.arc::after {
    content: '';
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: absolute;
    border: 5px solid transparent;
    border-top-color: orange;
    transform: rotate(144deg);
}

.arc div {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: absolute;
    border: 5px solid transparent;
    border-top-color: yellow;
    transform: rotate(216deg);
}

.arc span {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: absolute;
    border: 5px solid transparent;
    border-top-color: green;
    transform: rotate(288deg);
}

.arc p {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: absolute;
    border: 5px solid transparent;
    border-top-color: blue;
    transform: rotate(360deg);
}
</code></pre>
</style>
</head>
<body>
    <div class='arc'>
        <div></div>
        <span></span>
        <p></p>
    </div>
</body>
</html>

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