body {
  margin: 0;
  font-size: 0.9em;
}

.container {
  margin: 0 auto;
  width: 98%;
}

.header {
  background-color: #333;
  color: white;
  font-size: 2.0em;
  padding: 0.3em;
}

.footer {
  background-color: #333;
  color: white;
  font-size: 0.9em;
  padding: 0.3em;
}

.nav {
  background-color: #fff;
  font-size: 0.9em;
  padding: 0.3em;
}

.blk1 {
  background-color: #fff;
  font-size: 0.9em;
  padding: 0.3em;
/*
  height: 100px;
*/
}





.container {
  display: grid;
  grid-template-columns: 180px auto;
  grid-auto-flow: row dense;
  grid-row-gap: 5px;
  grid-column-gap: 5px;
}

.header {
  grid-column: 1 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer {
  grid-column: 1 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav {
  grid-row: 2 / 4;
  grid-column: 1 / 2;
}

.blk1 {
  grid-row: 2 / 3
  grid-column: 2 / 3;
}