❔ ASP.NET Core Custom Font Not Applied

body {
  margin-bottom: 60px;
  font-family: Intro, sans-serif;
}

@font-face {
  font-family: Intro;
  src: url("fonts/Intro-Trial-Rg.otf");
}

@font-face {
  font-family: Intro;
  font-weight: bold;
  src: url("fonts/Intro-Trial-Bd.otf");
}

<ItemGroup>
  <Content Include="..\.dockerignore">
    <Link>.dockerignore</Link>
  </Content>
  <Content Update="wwwroot\fonts\Intro-Trial-Bd.otf">
    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
  </Content>
  <Content Update="wwwroot\fonts\Intro-Trial-Rg.otf">
    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
  </Content>
</ItemGroup>