aside {
  width: 100%;
}

.nav-tabs .nav-link:hover {
  border: none;
  margin: 0;
  background-color: inherit;
}
.nav-tabs .nav-link {
  margin-bottom: 0;
  border: none;
}

footer section div:nth-child(3) {
  grid-column: 7 / span 3;
}