styles.css

@font-face {
 font-family: "Inter";
 src: url("/fonts/Inter-Medium.woff2") format("woff2"),
        url("/fonts/Inter-Medium.woff") format("woff");
}

body {
  margin: 0;
  border: 0;
  overflow: hidden;
}

iframe {
  width:100%;
  height:100%;
  position:absolute;
  border: none;
}

#header {
  position:absolute;
  width:100%;
  height:44px;
  color: #000;
  background:#FFF;
  box-shadow:0 0 1px #E3E9F2;
  line-height: 44px;
  padding: 0 0 0 13%;
  font-family: "Inter", "Helvetica", "Arial", sans-serif;
  font-size: 14px;
}