CSS
CSS Grid: Define Responsive Layouts with `grid-template-areas`
Master creating complex, readable, and responsive page layouts using CSS Grid's `grid-template-areas` property for intuitive structure definition.
.grid-container {
display: grid;
grid-template-columns: 1fr; /* Single column on small screens */
grid-template-rows: auto;
grid-template-areas:
"header"
"nav"
"main"
"sidebar"
"footer";
gap: 15px;
padding: 10px;
min-height: 100vh;
background-color: #f4f4f4;
}
.header { grid-area: header; background-color: #333; color: white; padding: 10px; }
.nav { grid-area: nav; background-color: #007bff; color: white; padding: 10px; }
.main { grid-area: main; background-color: #e9ecef; padding: 20px; }
.sidebar { grid-area: sidebar; background-color: #6c757d; color: white; padding: 15px; }
.footer { grid-area: footer; background-color: #333; color: white; padding: 10px; text-align: center; }
@media (min-width: 768px) {
.grid-container {
grid-template-columns: 200px 1fr; /* Sidebar fixed, main fills */
grid-template-rows: auto 1fr auto;
grid-template-areas:
"header header"
"nav main"
"sidebar main"
"footer footer";
}
}
@media (min-width: 1024px) {
.grid-container {
grid-template-columns: 200px 1fr 250px; /* Nav fixed, main fills, sidebar fixed */
grid-template-areas:
"header header header"
"nav main sidebar"
"footer footer footer";
}
}
<!-- HTML -->
<div class="grid-container">
<header class="header">Header</header>
<nav class="nav">Navigation</nav>
<main class="main">Main Content</main>
<aside class="sidebar">Sidebar</aside>
<footer class="footer">Footer</footer>
</div>
How it works: This snippet demonstrates how to build a complex, responsive page layout using CSS Grid's `grid-template-areas`. Each area is given a semantic name, and these names are then used to visually "draw" the layout directly in the CSS, making it highly readable. Media queries are used to redefine `grid-template-columns`, `grid-template-rows`, and `grid-template-areas` for different screen sizes, creating a fluid and responsive design from mobile to desktop.