html, 
body {
  padding: 0;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu,
  Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;


}

.footer {
  width: 100%;
  height: 100px;
  border-top: 1px solid #eaeaea;
  display: flex;
  justify-content: center;
  align-items: center;
}

code {
  background: #fafafa;
  border-radius: 5px;
  padding: 0.75rem;
  font-size: 1.1rem;
  font-family: Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono,
    Bitstream Vera Sans Mono, Courier New, monospace;
}

h1 {
  margin: 10;
  line-height: 1.15;
  font-size: 2.5rem;
}

p {
  text-align: center;
  margin: 10;
  line-height: 1.15;
  font-size: 1.5rem;
}

.viewport {
  width: 100vw;
  height: 97vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flow-root;
}


.content {
  width: 100%;
  height: 90%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
    -ms-flex-direction: column;
      flex-direction: column;
  -webkit-box-pack: center;
    -ms-flex-pack: center;
      justify-content: center;
  -webkit-box-align: center;
    -ms-flex-align: center;
      align-items: center;
  border-top: 3px solid #00a9ff;
}