@font-face {
  font-family: "bootstrap-icons";
  src: url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.5/font/fonts/bootstrap-icons.woff2") format("woff2"),
       url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.5/font/fonts/bootstrap-icons.woff") format("woff");
  font-display: swap;
}

.bi {
  display: inline-block;
  width: 1em; 
  text-align: center;
}

html, body {
  height: 100%
}