6d49b972fb
* Create index.md This file introduces flex-grow: with screen shots and code samples. As with all of my commits, this is a proper contribution effort, neither copy & paste nor a links list. * Update index.md Added title: 'Flex Grow' to avoid Travis CL no frontmatter error. * Update index.md Added labels to the code blocks. * fix: updated individual code items & sentences Added <code></code> tags to individual code items. Sorry for so many commits. I just saw the styling guide. * Create flexbox-display-flex.md (#2) * Create flexbox-display-flex.md This file introduces the concept of display:flex and flex-direction:[row | column]. * Rename guide/english/css/flexbox-display-flex.md to guide/english/css/flexbox-display-flex/index.md Changed the folder structure to comply with index.md. * Update index.md Added title: Display Flex to avoid Travice CL no frontmatter error. * Update index.md Added labels to the code blocks. * fix: update individual code items. Added <code></code> tags to individual code items. Sorry for so many commits. I just saw the styling guide. * Create index.md (#4) * Create index.md This file contains details about flex-basis, with screenshots and code samples. As with all of my commits, this is my own work not copy & paste or a lazy linkathon. * Update index.md Added the title; Flex Basis, to avoid Travis CI no frontmatter error. * Update index.md Added labels to the code blocks. * fix: added labels for code items Added <code></code> labels to individual code items. Sorry for all of the commits. I just saw the styling guide. Doing my own QC.
48 lines
1.5 KiB
Markdown
48 lines
1.5 KiB
Markdown
---
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title: Flex Basis
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---
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# Flex-basis
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To determine the initial width or height of a flex element along the main axis, we can use <code>flex-basis:</code> instead of <code>width:</code> or <code>height:</code>. <code>flex-basis:</code> is dynamic, so it can shrink or grow to fit inside the flex container.
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<code>flex-basis:</code> can be set as a value, e.g. <code>200px;</code> <code>20vw;</code> <code>50vh;</code> or <code>auto</code>. Auto will assess the contents of the flex item and expand or contract with them. Example 1 shows a nested div with <code>flex-basis: 20vw;</code>, while the second and third use <code>flex-basis: auto;</code>.
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**Example 1:**
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```css
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.container {
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display: flex;
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flex-direction: row;
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justify-content: center;
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background-color: yellow;
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}
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.box {
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background-color: brown;
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flex-basis: 20vw;
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height: 200px;
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box-sizing: border-box;
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border: solid 1px black;
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color: white;
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}
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```
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```html
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<div class="container">
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<div class="box">Box 1</div>
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</div>
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```
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**Examples 2 and 3:**
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```css
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.box {
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background-color: brown;
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flex-basis: auto;
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height: 200px;
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box-sizing: border-box;
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border: solid 1px black;
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color: white;
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}
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```
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