.centerBingoGrid {
  display: flex;

  justify-content: center;
  align-content: center;
  width: 100%;
}
.centerBingoGrid .bingo-grid {
  display: grid;
  grid-template-columns: repeat(7, 70px);
  grid-template-rows: repeat(7, 70px);
  background-color: #1f29335a;
  border: 1px solid #333;
  border-radius: 10px;
  margin-top: 30px;
  justify-content: center;
}

/* Buchstaben */
.letter-top {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background-color: transparent;
  font-weight: bold;
}

.bingo-grid a {
  text-decoration: none;
  color: black;
}

/* Buttons */
.color-btn {
  width: 70px;
  height: 70px;
  border: 1px solid #010101;
  background-color: transparent;
  padding: 0;
  cursor: pointer;
  border-radius: 8px;

}

.marked {
    background-color: black !important;
}