.contenedor {
  width: 90%;
  margin: 0 auto;
  background-color: lightblue;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr); 
  grid-auto-rows: auto;
  gap: 10px;
}

.contenedor h1 {
  font-weight: bold;
  text-align: left;
  margin-bottom: 20px;
  grid-column: 1 / -1;
}

.columna {
  background-color: lightgreen;
  padding: 10px;
  font-size: 1.2em;
  box-sizing: border-box;
}

.columna1 {
  height: 25vh; 
}

.columna5 {
  grid-column: 1 / 2; 
}

.columna6 {
  grid-column: 2 / 3; 
}

.columna img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 10px 0;
}

@media (max-width: 1080px) and (min-width: 800px) {
  .contenedor {
    grid-template-columns: repeat(2, 1fr);
  }
  .columna {
    background-color: lightcoral;
  }
}

@media (max-width: 799px) {
  .contenedor {
    grid-template-columns: 1fr;
  }
  .columna {
    background-color: lightyellow;
  }
}