JSFiddle - React, Tailwind, and code Playground
HTML
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Носки</title>
</head>
<!--[if gte IE 9]>
<style type="text/css">
.gradient {
filter: none;
}
</style>
<![endif]-->
<style>
.circle {
width: 128px;
height: 128px;
border: 2px solid #FF7900;
border-radius: 64px;
margin-bottom: 23px;
}
.phases a:hover .circle {
width: 143px;
height: 143px;
border-radius: 70px;
border: none;
background: #ffa600;
background: url(data:image/svg+xml;base64,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);
background: -moz-linear-gradient(top, #ffa600 0%, #ff4b00 100%);
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffa600), color-stop(100%,#ff4b00));
background: -webkit-linear-gradient(top, #ffa600 0%,#ff4b00 100%);
background: -o-linear-gradient(top, #ffa600 0%,#ff4b00 100%);
background: -ms-linear-gradient(top, #ffa600 0%,#ff4b00 100%);
background: linear-gradient(to bottom, #ffa600 0%,#ff4b00 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffa600', endColorstr='#ff4b00',GradientType=0 );
}
</style>
<body>
<div class="phases">
<a href=""><div class="circletxt1">
<div class="circle gradient"></div>
<span></span>
</div></a>
</body>
</html>