body {
    background-color: white;
    background-repeat: repeat; 
    color: white;
}
    
a {
    color: white;
    /*text-decoration: none;  (optional: entfernt die Unterstreichung) */
}

.parent {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  gap: 8px;
}

.parent > div {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background-color: black;
  border: 1px solid white;
  padding: 20px;
  height: auto; /* Change to auto */
}

.div1 {
  grid-column: span 5 / span 5;
  grid-row: span 2 / span 2;
  font-size: 300%;
  font-family: Share Tech Mono;
}

.div2 {
  grid-row: span 2 / span 2;
  grid-row-start: 3;
  font-size: 200%;
}

.div3 {
  grid-column: span 4 / span 4;
  grid-row: span 2 / span 2;
  grid-row-start: 3;
  font-size: 200%;
}

.div4 {
  grid-column: span 5 / span 5;
  grid-row-start: 5;
  font-size: 200%;
}