body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #f2f2f2;
  color: #303a34;
}

h1 {
  margin-top: 30px;
}

.boutons {
  margin-bottom: 20px;
}

button {
  padding: 10px;
  margin: 5px;
  color: inherit;
  background-color: #fff;
  border: 1px solid #c5ccc7;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgb(0 0 0 / 5%);
  cursor: pointer;
}

button:hover {
  background-color: #eaf0ec;
  border-color: #8b9d90;
}

button:focus-visible {
  outline: 2px solid #2f8849;
  outline-offset: 2px;
}

/* Infos Grille */

#grille {
  display: grid;
  grid-template-columns: repeat(20, minmax(10px, auto));
  grid-template-rows: repeat(20, minmax(10px, auto));
  justify-content: center;
  gap: 1px;
}

.cellule {
  aspect-ratio: 1/1;
  background-color: white;
  border: 1px solid #8c968f;
  border-radius: 5px;
  cursor: pointer;
}

.vivante {
  background-color: #2f8849;
}