@font-face{font-family:Avenir Regular;src:url(https://43298.fs1.hubspotusercontent-na1.net/hubfs/43298/Fonts/Avenir%20Regular.ttf) format("ttf"),url(your_font_file.woff) format("woff"),url(your_font_file.ttf) format("truetype")}p{--paragraph-margin:3px;margin:var(--paragraph-margin)}