how to add font in html css code example

Example 1: css font face

@font-face {
  // Defining what the font will be called
  font-family: thisSpecialFont;
  // Linking to the font file
  src: url(linkToFontFile.woff);
}
body {
  font-family: thisSpecialFont;
}

Example 2: how to link fonts css

@import url(//fonts.googleapis.com/css?family=Open+Sans);
/*When not hosting on my own server use the @import rule which is Google Fonts Versionn and hosted on their server*/