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Update subject exercise 3 "Select & style"

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Marie Malarme 4 years ago committed by Clément
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      subjects/select-and-style/README.md

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subjects/select-and-style/README.md

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### Select & style ### Select & style
Now that you created & identified properly the different elements of your being, it's time to make it look more living-like! To achieve that, you're going to style it with [CSS](https://developer.mozilla.org/en-US/docs/Web/CSS). Now that you created & identified properly the different sections of your being, it's time to make it look more living-like! To achieve that, you're going to style it with [CSS](https://developer.mozilla.org/en-US/docs/Web/CSS).
Create a CSS file, [link it](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/link#including_a_stylesheet) to your `index.html`, and : Create a CSS file, [link it](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/link#including_a_stylesheet) to your `select-and-style.html`, and:
- target all the elements with the [universal selector](https://developer.mozilla.org/en-US/docs/Web/CSS/Universal_selectors) and style them with an `opacity` of 0.8 - target all the elements with the [universal selector](https://developer.mozilla.org/en-US/docs/Web/CSS/Universal_selectors) and style them with a `margin` of 0, `box-sizing` to "border-box" and an `opacity` of 0.85
- target all the `section` tags with the [type selector](https://developer.mozilla.org/en-US/docs/Web/CSS/Type_selectors), and style it with a `padding` of 20 pixels and a `margin` of 15 pixels - target the `body` tag and style it with a `height` of 100vh so it takes the viewport height
- target all the `section` tags with the [type selector](https://developer.mozilla.org/en-US/docs/Web/CSS/Type_selectors), and style it with a `padding` of 20 pixels, a `width` of 100% and a `height` of "calc(100% / 3)" (one third of the `body` height)
- target each following element with the [`id` selector](https://developer.mozilla.org/en-US/docs/Web/CSS/ID_selectors), using the `id` you defined earlier for each section, and style it: - target each following element with the [`id` selector](https://developer.mozilla.org/en-US/docs/Web/CSS/ID_selectors), using the `id` you defined earlier for each section, and style it:
- `face` with a `width` & `height` of 80 pixels, and a "deeppink" `background-color` - `face` with a "cyan" `background-color`
- `upper-body` with a `width` of 200 pixels, a `height` of 220 pixels, and a "blue" `background-color` - `upper-body` with a "blueviolet" `background-color`
- `lower-body` with a `width` of 100 pixels, a `height` of 220 pixels, and a "yellow" `background-color` - `lower-body` with a "lightsalmon" `background-color`
- target the `body` tag and style it with a `display` at "flex", a `flex-direction` at "column" and a `align-items` at "center" (this is to turn the `body` into a [`flex` container](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Flexible_Box_Layout/Basic_Concepts_of_Flexbox), so the elements will be centered in the page)
To style an element, you systematically have to declare [rulesets](https://developer.mozilla.org/en-US/docs/Learn/Getting_started_with_the_web/CSS_basics#anatomy_of_a_css_ruleset), composed of a property and a value. To style an element, you systematically have to declare [rulesets](https://developer.mozilla.org/en-US/docs/Learn/Getting_started_with_the_web/CSS_basics#anatomy_of_a_css_ruleset), composed of a property and a value.
Here is an exemple of how to set the color of `div` tags to "red": Here is an exemple of how to set the color of `div` tags to "red":
@ -19,6 +19,12 @@ Here is an exemple of how to set the color of `div` tags to "red":
} }
``` ```
### Expected output
This is what you should see in the browser:
<!-- screenshot -->
### Notions ### Notions
- [`link` a CSS file](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/link#including_a_stylesheet) - [`link` a CSS file](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/link#including_a_stylesheet)
@ -28,4 +34,3 @@ Here is an exemple of how to set the color of `div` tags to "red":
- [universal selector](https://developer.mozilla.org/en-US/docs/Web/CSS/Universal_selectors) - [universal selector](https://developer.mozilla.org/en-US/docs/Web/CSS/Universal_selectors)
- [type selector](https://developer.mozilla.org/en-US/docs/Web/CSS/Type_selectors) - [type selector](https://developer.mozilla.org/en-US/docs/Web/CSS/Type_selectors)
- [`id` selector](https://developer.mozilla.org/en-US/docs/Web/CSS/ID_selectors) - [`id` selector](https://developer.mozilla.org/en-US/docs/Web/CSS/ID_selectors)
- [Flexbox layout](https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Flexible_Box_Layout/Basic_Concepts_of_Flexbox), you can train on [Flexbox froggy](https://flexboxfroggy.com/)

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