In a vertical box, if the flex property of the components is set to 1 or a higher value, the free space is divided among the components on the basis of that value. When flex = 0 or more: CSS Flexbox flex: X 0 0 equivalent layout (where X is the value of flex) When flex = 0: CSS Flexbox flex: 0 0 auto equivalent layout The flex property of the component in the horizontal box corresponds to the flex of CSS Flexbox as follows. Then, the free space (in the following example, the part excluding the first component's width from the box's width) is divided at a ratio of two to three and assigned to the second and third components. The first component's flex property is 0, so a sufficient width is retained to display "Hello" included in the component. In the following sample, the box has three components whose flex property is 0, 2, and 3, respectively. ![]() However, if the component's width exceeds the box's width, the part of the content that exceeds the box's width will not be displayed. If the value of the flex property is 0, the component's width will expand to the full size of its content. The Flex Message above can be created by the JSON data below. For components in a horizontal box, the default value of the flex property is 1.įor example, if there are two components in a horizontal box, and the value of the flex property is 2 and 3, the free space (the width of the box in the following example) is divided at a ratio of two to three and assigned to each component. In a horizontal box, if the flex property of the components is set to 1 or higher, the free space is divided among the components on the basis of that value. # Width of components in a horizontal box The width or height of components for which the position property is set to relative is decided by the flex property of each component. You can't use these properties in a child element of a baseline box: ✅ : Can be used as a child element of the box, ❌ : Cannot be used as a child element of the box # Unavailable properties Span (can be used as a child element of text) The baseline of an icon is the bottom of the icon image.Ī box's type determines which components can be used as child elements. Texts with different font sizes are aligned at the baseline. # Vertical alignment positionĬomponents are vertically aligned so that the baseline of their text is fixed at the same height. However, its behavior differs from a horizontal box in the following ways. # Characteristics of a baseline boxĪ baseline box behaves in the same way as a horizontal box. The cross axis is the axis that runs perpendicular to the main axis. The main axis runs in the same direction as a horizontal box.įor more information on how this differs from a horizontal box, see Characteristics of a baseline box. Child elements are arranged vertically from top to bottom. Child elements are arranged horizontally. Specify the type of any box through its layout property. The direction of the main axis is determined by a box's type. # Types of boxes and the direction of the main axis
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