.jobs {
  display: grid;
  width:90%;
  grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
  margin: 50px auto;
  gap:1rem;
}
.jobs img {
  box-shadow:0 0 15px rgba(0,0,0,0.1);
}
.portrait {
  grid-row:span 2
}