.banner { grid-area: header; ;font-size: 12px; background: rgb(158, 158, 24);}
.article { grid-area: article; font-family:verdana; text-align:center;font-size: 22px;background: rgb(78, 67, 175);}
.footer { grid-area: footer;  ;font-size: 30px;  text-align:center;background: yellowgreen;}

body{
  display: grid;
  grid-template-areas: 
    "header"
    "article"
    "footer";
  grid-template-rows: 10px 1fr 70px;  
  grid-template-columns: 1fr;
  grid-row-gap: 10px;
  grid-column-gap: 10px;
  height: 100vh;
  margin: 0;
  background: white;
}



/* Change the link color on hover */
li a:hover {
  background-color: #ba5a5a;
  color: white;
}