.grid-template-example {
  display: grid;
  grid-template: 
    "header header" 80px
    "sidebar main" 300px
    "footer footer" 60px
    / 200px 1fr;
  gap: 10px;
  max-width: 600px;
  margin: 0 auto;
  font-family: Arial, sans-serif;
}

.grid-template-example > div {
  padding: 15px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
}

.header { background: #3498db; grid-area: header; }
.sidebar { background: #e74c3c; grid-area: sidebar; }
.main { background: #2ecc71; grid-area: main; }
.footer { background: #9b59b6; grid-area: footer; }