# 弹性布局

# 注意

The d-flex sets the CSS of the according element to display: flex !important. As a result, it overrides any other settings.

# 启用 flexbox

使用 display 工具类, 你可以将任何元素转换为 flexbox 容器并将该元素的 子元素 转成 flex 元素. 使用附加的flex属性工具类，您可以进一步定制它们的交互。

您还可以基于各种断点应用自定义的 flex 工具类。

• .d-flex
• .d-inline-flex
• .d-sm-flex
• .d-sm-inline-flex
• .d-md-flex
• .d-md-inline-flex
• .d-lg-flex
• .d-lg-inline-flex
• .d-xl-flex
• .d-xl-inline-flex

# Flex 方向

默认情况下，d-flex 应用了 flex-direction: row 属性，通常可以省略不写。 但是，有些情况下你可能需要显式地定义它。

flex-column 和 flex-column-reverse 是用来改变 flexbox 容器方向的实用类。 Keep in mind that IE11 and Safari may have issues with the column direction.

同时，还有用于 flex-direction 的响应式变体。

• .flex-row
• .flex-row-reverse
• .flex-column
• .flex-column-reverse
• .flex-sm-row
• .flex-sm-row-reverse
• .flex-sm-column
• .flex-sm-column-reverse
• .flex-md-row
• .flex-md-row-reverse
• .flex-md-column
• .flex-md-column-reverse
• .flex-lg-row
• .flex-lg-row-reverse
• .flex-lg-column
• .flex-lg-column-reverse
• .flex-xl-row
• .flex-xl-row-reverse
• .flex-xl-column
• .flex-xl-column-reverse

# Flex justify

可使用 flex justify 类更改 justify-content flex 设置。 这默认情况下会修改 flexbox 项目在 x 轴上的排列，但当使用 flex-direction: column 时，会修改在 y 轴上的排列。 从 start (浏览器默认), end, center, space-between, 或 space-acound 选择一个值.

同样有用于 justify-content 的响应式变体。

• .justify-start
• .justify-end
• .justify-center
• .justify-space-between
• .justify-space-around
• .justify-sm-start
• .justify-sm-end
• .justify-sm-center
• .justify-sm-space-between
• .justify-sm-space-around
• .justify-md-start
• .justify-md-end
• .justify-md-center
• .justify-md-space-between
• .justify-md-space-around
• .justify-lg-start
• .justify-lg-end
• .justify-lg-center
• .justify-lg-space-between
• .justify-lg-space-around
• .justify-xl-start
• .justify-xl-end
• .justify-xl-center
• .justify-xl-space-between
• .justify-xl-space-around

# Flex align

可以使用 flex align 类来更改 align-items 的 flex 设置。 默认情况下，这将修改 y 轴上的 flexbox 项目，但在使用 flex-direction: column 时则相反，将修改 x 轴。 可选择 start、end、center、baseline 或 stretch （浏览器默认设置）。

align-items 同样也有一些响应式变体。

• .align-start
• .align-end
• .align-center
• .align-baseline
• .align-stretch
• .align-sm-start
• .align-sm-end
• .align-sm-center
• .align-sm-baseline
• .align-sm-stretch
• .align-md-start
• .align-md-end
• .align-md-center
• .align-md-baseline
• .align-md-stretch
• .align-lg-start
• .align-lg-end
• .align-lg-center
• .align-lg-baseline
• .align-lg-stretch
• .align-xl-start
• .align-xl-end
• .align-xl-center
• .align-xl-baseline
• .align-xl-stretch

# Flex align self

The align-self flex setting can be changed using the flex align-self classes. 这默认情况下会修改 flexbox 项目在 x 轴上的排列，但当使用 flex-direction: column 时，会修改在 y 轴上的排列。 从 start , end, center, baseline, auto, 或 stretch(浏览器默认) 选择一个值.

There are also responsive variations for align-self-items.

• .align-self-start
• .align-self-end
• .align-self-center
• .align-self-baseline
• .align-self-auto
• .align-self-stretch
• .align-self-sm-start
• .align-self-sm-end
• .align-self-sm-center
• .align-self-sm-baseline
• .align-self-sm-auto
• .align-self-sm-stretch
• .align-self-md-start
• .align-self-md-end
• .align-self-md-center
• .align-self-md-baseline
• .align-self-md-auto
• .align-self-md-stretch
• .align-self-lg-start
• .align-self-lg-end
• .align-self-lg-center
• .align-self-lg-baseline
• .align-self-lg-auto
• .align-self-lg-stretch
• .align-self-xl-start
• .align-self-xl-end
• .align-self-xl-center
• .align-self-xl-baseline
• .align-self-xl-auto
• .align-self-xl-stretch

# Auto margins

Using the margin helper classes in a flexbox container, you can control the positioning of flex items on the x-axis or y-axis when using flex-row or flex-column respectively.

# Flex wrap

By default .d-flex does not provide any wrapping (behaves similarly to flex-wrap: nowrap). This can be modified by applying flex-wrap helper classes in the format flex-{condition} where condition can be nowrap, wrap, or wrap-reverse.

• .flex-nowrap
• .flex-wrap
• .flex-wrap-reverse

These helper classes can also be applied in the format flex-{breakpoint}-{condition} to create more responsive variations based on breakpoints. The following combinations are available:

• .flex-sm-nowrap
• .flex-sm-wrap
• .flex-sm-wrap-reverse
• .flex-md-nowrap
• .flex-md-wrap
• .flex-md-wrap-reverse
• .flex-lg-nowrap
• .flex-lg-wrap
• .flex-lg-wrap-reverse
• .flex-xl-nowrap
• .flex-xl-wrap
• .flex-xl-wrap-reverse

# Flex order

You can change the visual order of flex items with the order utilities.

There are also responsive variations for order.

• .order-first
• .order-0
• .order-1
• .order-2
• .order-3
• .order-4
• .order-5
• .order-6
• .order-7
• .order-8
• .order-9
• .order-10
• .order-11
• .order-12
• .order-last
• .order-sm-first
• .order-sm-0
• .order-sm-1
• .order-sm-2
• .order-sm-3
• .order-sm-4
• .order-sm-5
• .order-sm-6
• .order-sm-7
• .order-sm-8
• .order-sm-9
• .order-sm-10
• .order-sm-11
• .order-sm-12
• .order-sm-last
• .order-md-first
• .order-md-0
• .order-md-1
• .order-md-2
• .order-md-3
• .order-md-4
• .order-md-5
• .order-md-6
• .order-md-7
• .order-md-8
• .order-md-9
• .order-md-10
• .order-md-11
• .order-md-12
• .order-md-last
• .order-lg-first
• .order-lg-0
• .order-lg-1
• .order-lg-2
• .order-lg-3
• .order-lg-4
• .order-lg-5
• .order-lg-6
• .order-lg-7
• .order-lg-8
• .order-lg-9
• .order-lg-10
• .order-lg-11
• .order-lg-12
• .order-lg-last
• .order-lg-first
• .order-xl-0
• .order-xl-1
• .order-xl-2
• .order-xl-3
• .order-xl-4
• .order-xl-5
• .order-xl-6
• .order-xl-7
• .order-xl-8
• .order-xl-9
• .order-xl-10
• .order-xl-11
• .order-xl-12
• .order-xl-last

# Flex align content

The align-content flex setting can be changed using the flex align-content classes. 这默认情况下会修改 flexbox 项目在 x 轴上的排列，但当使用 flex-direction: column 时，会修改在 y 轴上的排列。 从 start (浏览器默认) , end, center, between, around, 或 stretch 选择一个值.

There are also responsive variations for align-content.

• align-content-start
• align-content-end
• align-content-center
• align-content-space-between
• align-content-space-around
• align-content-stretch
• align-sm-content-start
• align-sm-content-end
• align-sm-content-center
• align-sm-content-space-between
• align-sm-content-space-around
• align-sm-content-stretch
• align-md-content-start
• align-md-content-end
• align-md-content-center
• align-md-content-space-between
• align-md-content-space-around
• align-md-content-stretch
• align-lg-content-start
• align-lg-content-end
• align-lg-content-center
• align-lg-content-space-between
• align-lg-content-space-around
• align-lg-content-stretch
• align-xl-content-start
• align-xl-content-end
• align-xl-content-center
• align-xl-content-space-between
• align-xl-content-spacearound
• align-xl-content-stretch

# Flex grow and shrink

Vuetify has helper classes for applying grow and shrink manually. These can be applied by adding the helper class in the format flex-{condition}-{value}, where condition can be either grow or shrink and value can be either 0 or 1. The condition grow will permit an element to grow to fill available space, whereas shrink will permit an element to shrink down to only the space needs for its contents. However, this will only happen if the element must shrink to fit their container such as a container resize or being effected by a flex-grow-1. The value 0 will prevent the condition from occurring whereas 1 will permit the condition. The following classes are available:

• flex-grow-0
• flex-grow-1
• flex-shrink-0
• flex-shrink-1

These helper classes can also be applied in the format flex-{breakpoint}-{condition}-{state} to create more responsive variations based on breakpoints. The following combinations are available:

• flex-sm-grow-0
• flex-md-grow-0
• flex-lg-grow-0
• flex-xl-grow-0
• flex-sm-grow-1
• flex-md-grow-1
• flex-lg-grow-1
• flex-xl-grow-1
• flex-sm-shrink-0
• flex-md-shrink-0
• flex-lg-shrink-0
• flex-xl-shrink-0
• flex-sm-shrink-1
• flex-md-shrink-1
• flex-lg-shrink-1
• flex-xl-shrink-1