To set up a responsive layout with CSS, you can use several techniques, primarily involving media queries, flexible grids, and flexible images. Here's a brief explanation along with an example:
Media queries allow you to apply different styles based on the characteristics of the device the website is being viewed on, such as screen width.
Example:
/* Default styles for all devices */
body {
font-size: 16px;
}
/* Styles for screens smaller than 600px */
@media (max-width: 600px) {
body {
font-size: 14px;
}
.container {
width: 100%;
}
}
Using CSS frameworks like Bootstrap or creating your own grid system with CSS Flexbox or Grid layout helps in creating layouts that adjust based on the screen size.
Example using Flexbox:
.container {
display: flex;
flex-wrap: wrap;
}
.item {
flex: 1 1 200px; /* Each item will be at least 200px wide and will grow and shrink as needed */
}
Images should also be responsive to ensure they don't overflow their containers on smaller screens.
Example:
img {
max-width: 100%;
height: auto;
}
Here’s a simple example combining the above techniques:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Responsive Layout</title>
<style>
.container {
display: flex;
flex-wrap: wrap;
}
.item {
flex: 1 1 200px;
padding: 10px;
box-sizing: border-box;
}
img {
max-width: 100%;
height: auto;
}
@media (max-width: 600px) {
.item {
flex: 1 1 100%;
}
}
</style>
</head>
<body>
<div class="container">
<div class="item"><img src="image1.jpg" alt="Image 1"></div>
<div class="item"><img src="image2.jpg" alt="Image 2"></div>
<div class="item"><img src="image3.jpg" alt="Image 3"></div>
</div>
</body>
</html>
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