https://codepen.io/currencyrate_today/pen/mdBqOxG?referrer=wordpress.com
Great code
<div class="widget"><!– START CODE Attention! Do not modify this code; –><script>var fm = "EUR";var to = "USD";var tz = "timezone";var sz = "1×1";var lg = "en";var st = "info";var lr = "1";var rd = "0";</script><script src="//currencyrate.today/converter"></script><div style="text-align:right"><a href="https://currencyrate.today">CurrencyRate</a></div><!– Attention! Do not modify this code; END CODE –></div>