flex-wrap - CSS: Cascading Style Sheets 编辑

The flex-wrap CSS property sets whether flex items are forced onto one line or can wrap onto multiple lines. If wrapping is allowed, it sets the direction that lines are stacked.

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See Using CSS flexible boxes for more properties and information.

Syntax

flex-wrap: nowrap; /* Default value */
flex-wrap: wrap;
flex-wrap: wrap-reverse;

/* Global values */
flex-wrap: inherit;
flex-wrap: initial;
flex-wrap: unset;

The flex-wrap property is specified as a single keyword chosen from the list of values below.

Values

The following values are accepted:

nowrap

The flex items are laid out in a single line which may cause the flex container to overflow. The cross-start is either equivalent to start or before depending on the flex-direction value. This is the default value.

wrap

The flex items break into multiple lines. The cross-start is either equivalent to start or before depending flex-direction value and the cross-end is the opposite of the specified cross-start.

wrap-reverse

Behaves the same as wrap but cross-start and cross-end are permuted.

Formal definition

Formal syntax

nowrap | wrap | wrap-reverse

Examples

Setting flex container wrap values

HTML

<h4>This is an example for flex-wrap:wrap </h4>
<div class="content">
  <div class="red">1</div>
  <div class="green">2</div>
  <div class="blue">3</div>
</div>
<h4>This is an example for flex-wrap:nowrap </h4>
<div class="content1">
  <div class="red">1</div>
  <div class="green">2</div>
  <div class="blue">3</div>
</div>
<h4>This is an example for flex-wrap:wrap-reverse </h4>
<div class="content2">
  <div class="red">1</div>
  <div class="green">2</div>
  <div class="blue">3</div>
</div>

CSS

/* Common Styles */
.content,
.content1,
.content2 {
    color: #fff;
    font: 100 24px/100px sans-serif;
    height: 150px;
    text-align: center;
}

.content div,
.content1 div,
.content2 div {
    height: 50%;
    width: 300px;
}
.red {
    background: orangered;
}
.green {
    background: yellowgreen;
}
.blue {
    background: steelblue;
}

/* Flexbox Styles */
.content {
    display: flex;
    flex-wrap: wrap;
}
.content1 {
    display: flex;
    flex-wrap: nowrap;
}
.content2 {
    display: flex;
    flex-wrap: wrap-reverse;
}

Results

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• CSS Flexbox Guide: Basic Concepts of Flexbox
• CSS Flexbox Guide: Mastering wrapping of flex items