.item1 { grid-area: header; }
.item2 { grid-area: menu; }
.item3 { grid-area: main; }
.item4 { grid-area: total; }
.item5 { grid-area: right; }
.item6 { grid-area: footer; }

.grid-container {
  display: grid;
  grid-template-areas:
    'header header header header header header'
    'menu main main right right right'
    'menu total total right right right'
    'menu footer footer footer footer footer';



/*    'header header header header header header'
    'menu main main right right right'
    'menu footer footer footer footer footer';*/
  grid-gap: 10px;
  background-color: #2196F3;
  padding: 10px;
}

.grid-container > div {
  background-color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 20px 0;
  font-size: 20px;
}

	table {
		border-collapse: collapse;
		width: 100%;

		font-family: monospace;

		text-align: center;
		}
th:last-child {
  text-align: center;
}	
td:last-child {
  text-align: center;
}	
table#t01 {
		border-collapse: collapse;
		width: 100%;
		font-family: monospace;
		text-align: right;
		}
tr:nth-child(even) {background-color: #f2f2f2;}