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Understanding the Flex Layout Model in CSS3


CSS3 provides a layout mode Flexible Box, commonly called as Flexbox. Flexbox (flexible box) is a layout mode of CSS3. Using this mode, you can easily create layouts for complexapplications and web pages. It includes the container, flex items, etc. The container has the following properties −

  • flex-direction

  • flex-wrap

  • flex-flow

  • justify-content

  • align-items

  • align-content

Following is the code depicting the flex layout model in CSS3 −

Example

<!DOCTYPE html>
<html>
<head>
<style>
body {
   font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.container {
   display: flex;
   flex-wrap: wrap;
   justify-content: space-evenly;
}
.container1 {
   align-self: flex-start;
   display: flex;
   background-color: rgb(71, 30, 255);
   width: 200px;
   margin: 20px;
}
.container1 > div {
   background-color: #f1f1f1;
   margin: 10px;
   padding: 10px;
   font-size: 30px;
}
.container2 {
   display: flex;
   background-color: rgb(14, 126, 79);
   width: 200px;
   justify-content: center;
   align-self: flex-start;
   margin: 20px;
}
.container2 > div {
   background-color: #f1f1f1;
   margin: 10px;
   padding: 10px;
   font-size: 30px;
}
.container3 {
   display: flex;
   flex-direction: column;
   background-color: rgb(168, 60, 10);
   width: 200px;
   align-items: center;
   margin: 20px;
}
.container3 > div {
   background-color: #f1f1f1;
   margin: 10px;
   padding: 10px;
   width: 20px;
   font-size: 30px;
}
</style>
</head>
<body>
<h1>Flex layout example</h1>
<div class="container">
<div class="container1">
<div>1</div>
<div>2</div>
<div>3</div>
</div>
<div class="container2">
<div>1</div>
<div>2</div>
<div>3</div>
</div>
<div class="container3">
<div>1</div>
<div>2</div>
<div>3</div>
</div>
</div>
</body>
</html>

Output

Understanding the Flex Layout Model in CSS3