body {
  font-family: sans-serif;
  text-align: center;
  background-color: #dad2ff; 
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 140px); 
  grid-template-rows: repeat(4, 140px);
  gap: 6px;
  justify-content: center;
  margin: 30px auto;
}

.cell {
  background-color: #004d99; 
  color: white;
  font-size: 28px;

  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  overflow: hidden;
}

.img-ficha {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 15px;
  display: block;
}

.encontrada {
  border: 3px solid limegreen;
  position: relative;
}

.encontrada::after {
  content: "✔";
  position: absolute;
  color: white;
  font-size: 32px;
  background-color: green;
  border-radius: 50%;
  padding: 5px;
  top: 0;
  right: 0;
}