header,nav,main,footer{
  border:black 2px solid;
  background-color: red;
}
header{
  grid-row:1/2;
  grid-column:1/3;
}
nav{
  grid-row:2/3;
  grid-column:1/2;
  height:max-content;
}
main{
  grid-row:2/3;
  grid-column:2/3;
  height:max-content;
}
footer{
  grid-row:3/4;
  grid-column:1/3;
}
.comic-box{
  max-width:1,000px;
  margin:50px auto;
  display:grid;
  grid-column-gap:10px;
  grid-template-columns:250px minmax(0,1fr);
}