body {
  background: transparent; /* Make it white if you need */
  color: blue;
  padding: 0 24px;
  margin: 0;
  height: 100vh;
  /*display: flex;*/
  justify-content: center;
  align-items: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
#header {
  font-size: 3em;
  color:navy;
  text-align:center;
}#content {
  width: 90%;
  margin-left: auto;
  margin-right: auto;
  font-size: 2em;
  text-align:center;
}