body {
  background-image: url(night-1.jpg);
  background-size: cover;
  margin: 0px;
  display: grid;
  justify-content: center;
}


.back-cover {
  display: grid;
  width: 100vw;
  position: absolute;
  bottom: 0;
}

.back-cover img {
  width: 100%;
}

.main-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  width: 800px;
  border: solid gold 1px;
  border-radius: 20px;
  min-height: 50px;
  margin: 20px 0px 0px 0px;
}

.nav-items {
  grid-column: auto / span 2;
  & h5 {color: aliceblue; text-align: center;}
}