body {
 background-color: blue;
 font-family: Arial, Helvetica, sans-serif;
 font-size: 18px;
}

.container{
  color:black;
  box-sizing: border-box;
  width: 100%;
  max-width: 1440px;
  height: auto;
  margin: auto;
  margin-top: 3%;

  display:grid;
  grid:
  "head head" auto
  "nav  main" auto
  "foot foot" auto
  /15% 65%;
  place-content: center;
  gap: 10px;
}

.head{
  grid-area: head;
  border-width: 3px;
  border-radius: 10px;
  border-style: solid;
  border-color: black;
  background-color: white;
  text-align: center;
  padding: 16px;
}

.nav{
  grid-area: nav;
  border-width: 3px;
  border-radius: 10px;
  border-style: solid;
  border-color: black;
  background-color:white;
  text-align: center;
  padding: 16px;
}

.nav ul{
  margin: 0;
  padding: 0;
  list-style-type: none;
}

.nav li{
  font-weight: bold;
  font-size: larger;
  padding: 16px;
}


.nav li ul{
  font-weight: bold;
  font-size: larger;
  padding: 16px;
}

.nav li ul li{
  font-weight: normal;
  font-size: 18px;
  padding: 0;
}

.nav li ul li a{
  font-weight: normal;
  font-size: 18px;
  padding: 0;
}

.main{
  grid-area: main;
  border-width: 3px;
  border-radius: 10px;
  border-style: solid;
  border-color: black;
  background-color:white;
  padding: 16px;
}

.footer{
  grid-area: foot;
  text-align: center;
  font-style: italic;
  font-size: 12px;
  color:white;
}

.underline {
  text-decoration: underline;
}