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Overview

The flex-grow property specifies how much a flex item will grow relative to the rest of the flex items to fill their parent container.

Growing the Width of Items

In the following, flex-grow is not used, and the three boxes sit at their natural size.

				
					<div class="flex_container">
    <div class="div_1">Box 1</div>
    <div class="div_2">Box 2</div>
    <div class="div_3">Box 3</div>
</div>
				
			
				
					.flex_container {
    display: flex;
    background-color: #ffbd02;
}
.flex_container > div {
    background-color: #eaeaea;
    margin: 10px;
    padding: 20px;
    font-size: 22px;
}
				
			
Box 1
Box 2
Box 3

However, if we add lines 11 through 19, we can define the size of each item as compared to the other flex items, and they will now fill the container horizontally.

				
					.flex_container {
    display: flex;
    background-color: #ffbd02;
}
.flex_container > div {
    background-color: #eaeaea;
    margin: 10px;
    padding: 20px;
    font-size: 22px;
}
.div_1 {
	flex-grow: 1;
}
.div_2 {
	flex-grow: 3;
}
.div_3 {
	flex-grow: 1;
}
				
			
Box 1
Box 2
Box 3

Flex Properties

We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.

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