html {
  height: 100%;
  width: 100%;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  background-color: #f2f2f2;
}


.content-header {
  font-size: 1.5em;
}

.content-body {
  font-size: 1em;
}