element.style {
}
body {
    box-sizing: border-box;
    color: #fff;
    font-family: Google Sans;
    height: 100svh;
    height: 100vh;
    height: 100dvh;
    line-height: 1.35;
    margin: 0;
    overscroll-behavior: none;
}
user agent stylesheet
body {
    display: block;
    margin: 8px;
}
:root {
    --ogb-height: 48px;
    --ogb-z-index: 100;
}
html {
    -webkit-font-smoothing: antialiased;
    background: #191a1f;
    font-size: 13px;
    overscroll-behavior: none;
}
<style>
@font-face {
    font-family: 'Google Sans';
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/googlesans/v62/4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJl1pynSEg.woff2) format('woff2');
    unicode-range: U +0308, U +0530 -058F, U +2010, U +2024, U +25CC, U + FB13-FB17;
}