How to introduce css in vue file

Methods to introduce CSS into Vue files include: inline styles, scoped styles, external CSS, CSS preprocessors, and style binding. The right method depends on the situation, such as inline styles suitable for small styles, scoped styles are used for component-specific styles, external CSS is suitable for large styles, CSS preprocessors provide advanced features, and style binding is used for dynamic styles.

How to import CSS into Vue files

There are several ways to introduce CSS into Vue files.

1. Inline style

You can use the style attribute directly in the template tag:

 <code class="html"><template> <div style="color: red;">Hello World</div> </template></code>

2. scoped style

Use the scoped property in the style tag to limit the style scope to the current component:

 <code class="html"><template> <style scoped> .my-class { color: blue; } </style> <div class="my-class">Hello World</div> </template></code>

3. External CSS

Link to an external CSS file using CSS import syntax:

 <code class="html"><style> @import "./styles.css"; </style></code>

4. CSS Preprocessor

Using a CSS preprocessor like Sass or Less, you can style it within a Vue file and then compile it to standard CSS:

 <code class="html"><style lang="sass"> .my-class { color: red; } </style></code>

5. Style binding

Use the v-bind:class or v-bind:style attribute to dynamically bind styles:

 <code class="html"><template> <div v-bind:style="{ color: 'red' }">Hello World</div> </template></code>

Which method to choose depends on the situation:

• Inline styles are suitable for single-use or small styles.
• scoped styles are used for component-specific styles.
• External CSS is more suitable for large or shared styles.
• CSS preprocessors provide advanced features and code maintainability.
• Style binding is used for dynamic or conditional styles.

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