body {
  margin: auto;
  padding: 20px;
  width: 70%;
  max-width: 600px;
  background-color: #607744;
  color: #ccdad1;
  font-family: "IBM Plex Sans";
}

header {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("res/yotsuba_the_fireworks_display_24.jpg");
  background-size: cover;
  background-position: 90% 90%;
  padding: 40px;
  border-radius: 0px;
}