.testing{
    padding: 0;
    margin: 0;
    list-style-type: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.testing li::before {
  content: "";
  display: block;
  aspect-ratio: 4/3; /* keep a nice rectangle */
  border: 1px solid;
  background: rgb(185, 185, 185);
}

.testing a{
    font-size: 1.375rem;
    line-height: 1.45;
}