.container {
  max-width: 1000px; 
  margin: 100px; 400px; 400px 
  display: grid;
  grid-gap: 15px 
  
  
  
  
  
  

}



header, nav, main, footer {
  border: pink 4px solid 
  
  

}

header{
  grid-row: 1 / 2   
  grid-column


}


nav{
  grid-row: