For AI agents: the complete documentation index is available at /next/llms.txt, the full documentation bundle is available at /next/llms-full.txt, and this page is available as Markdown at /next/api/css/properties/justify-content.md.
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  • justify-content

    Introduction

    The CSS justify-content property defines how distributes space between and around content items along the main-axis of a flexible box layout, linear container, and the inline axis of a grid layout container.

    Examples

    Syntax

    /* Positional alignment */
    justify-content: center; /* Pack items around the center */
    justify-content: start; /* Pack items from the start */
    justify-content: end; /* Pack items from the end */
    justify-content: flex-start; /* Pack flex items from the start */
    justify-content: flex-end; /* Pack flex items from the end */
    
    /* Distributed alignment */
    justify-content: space-between; /* Distribute items evenly
                                       The first item is flush with the start,
                                       the last is flush with the end */
    justify-content: space-around; /* Distribute items evenly
                                       Start and end gaps are half the size of the space
                                       between each item */
    justify-content: space-evenly; /* Distribute items evenly
                                       Start, in-between, and end gaps have equal sizes */
    justify-content: stretch; /* Distribute items evenly
                                       Stretch 'auto'-sized items to fit
                                       the container */

    Values

    stretch

    Default value.If the combined size of the items along the main axis is less than the size of the alignment container, any auto-sized items have their size increased equally (not proportionally), while still respecting the constraints imposed by max-height/max-width (or equivalent functionality), so that the combined size exactly fills the alignment container along the main axis.

    Info

    For flex boxes, the stretch value behaves as flex-start or start. This is because, in flex boxes, stretching is controlled using the flex-grow property.

    In linear, the stretch value behaves as flex-start or start.

    start

    The items are packed flush to each other toward the start edge of the alignment container in the main axis.

    end

    The items are packed flush to each other toward the end edge of the alignment container in the main axis.

    flex-start

    The items are packed flush to each other toward the edge of the alignment container depending on the flex container's main-start side. This only applies to flexible box layout items. For items that are not children of a flex container, this value is treated like start.

    flex-end

    The items are packed flush to each other toward the edge of the alignment container depending on the flex container's main-end side. This only applies to flexible box layout items. For items that are not children of a flex container, this value is treated like end.

    center

    The items are packed flush to each other toward the center of the alignment container along the main axis.

    space-between

    The items are evenly distributed within the alignment container along the main axis. The spacing between each pair of adjacent items is the same. The first item is flush with the main-start edge, and the last item is flush with the main-end edge.

    space-around

    The items are evenly distributed within the alignment container along the main axis. The spacing between each pair of adjacent items is the same. The empty space before the first and after the last item equals half of the space between each pair of adjacent items.

    Info

    In linear, the space-around value behaves as flex-start or start.

    space-evenly

    The items are evenly distributed within the alignment container along the main axis. The spacing between each pair of adjacent items, the main-start edge and the first item, and the main-end edge and the last item, are all exactly the same.

    Info

    In linear, the space-evenly value behaves as flex-start or start.

    Formal definition

    Initial valuestretch
    Applies toflex/grid/linear containers
    Inheritedno
    Animatable

    Formal syntax

    justify-content = <content-distribution> | <content-position>
    
    <content-distribution> =
      space-between  |
      space-around   |
      space-evenly   |
      stretch
    
    <content-position> =
      center      |
      start       |
      end         |
      flex-start  |
      flex-end

    Difference with the web

    • normal is not supported. Default value is stretch.
    • left and right are not supported.
    • baseline, first baseline and last baseline are not supported.

    Compatibility

    LCD tables only load in the browser

    Except as otherwise noted, this work is licensed under a Creative Commons Attribution 4.0 International License, and code samples are licensed under the Apache License 2.0.