.projects-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: 20rem;
  gap: 1rem;
}

.project-card {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 100%;
  position: relative;
}

.project-card--layer {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  color: white;
  transition: 0.5s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card:hover > .project-card--layer {
  opacity: 1;
}

#content {
  min-height: 75vh;
}

@media only screen and (max-width: 850px) {
  .projects-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media only screen and (max-width: 520px) {
  .projects-container {
    grid-template-columns: 1fr;
  }
}