main header .line {
  margin-right: auto;
  margin-left: auto;
  width: 50%;
}

main section#subjects > a {
  display: block;
  width: calc(50% - (3rem / 2));
  margin-bottom: 3rem;
  text-decoration: none;
  color: inherit;
}

main section#subjects > a:nth-child(2n - 1) {
  margin-right: 3rem;
}

main section#subjects > a .subject {
  overflow: hidden;
}

main section#subjects > a .subject .illustration {
  height: 300px;
  background-size: cover;
  background-position: center center;
}

main section#subjects > a .subject .line {
  margin-top: 1rem;
  width: 80%;
  transition: margin-left 0.5s;
}

main section#subjects > a .subject .line.bottom {
  margin-left: -100%;
  transition-delay: 0.1s;
}

main section#subjects > a .subject .name {
  margin-top: -5px;
  margin-bottom: 4px;
  transition: margin-left 0.4s;
}

main section#subjects > a .subject:hover .line.top {
  margin-left: 50%;
}

main section#subjects > a .subject:hover .name {
  margin-left: 7%;
}

main section#subjects > a .subject:hover .line.bottom {
  margin-left: -50%;
}

@media (max-width: 991px) {
  main section#subjects > a {
    width: 100%;
  }
  main section#subjects > a:nth-child(2n - 1) {
    margin-right: 0;
  }
}