Измените всю страницу шрифт

<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Electrolize&display=swap" rel="stylesheet">

<style>
    body {
        font-family: 'Electrolize', sans-serif;
    }
</style>
Undefined