* {
  box-sizing: border-box;
}

body {
  font-family: serif;
  margin: 0;
  background-color: #23262b;
  color: #eab141;
}

a {
  color: unset;
}

h1 {
  text-align: center;
  font-size: 1.5rem;

}

.datum {
  color: grey;
  font-family: monospace; 
}

.subheading {
  text-align: center;
  font-style: italic;

}

.max-width {
  width:100%;
  max-width:640px;
}

.center-div {
  margin-left: auto;
  margin-right: auto;
}

.default-margin {
  padding: 20px;
  padding-top: 0;
}

img {
  width: 100%;
}