The methods for embedding CSS styles in HTML include inline styles, internal style sheets and external style sheets. Detailed introduction: 1. Inline style refers to writing the CSS style directly in the HTML tag and setting the style of the element through the style attribute. The advantage of this method is that it is simple and intuitive, and can quickly set the style for a specific element. But its shortcomings are also obvious. The style is tightly coupled with the HTML structure, making it difficult to maintain and reuse. At the same time, when the style needs to be modified, the entire HTML document needs to be traversed, which is inefficient; 2. Internal style sheets, etc.
HTML There are three main ways to embed CSS styles: inline styles, internal style sheets and external style sheets. Each of these three methods has advantages and disadvantages and is suitable for different scenarios. These three methods will be introduced in detail below.
1. Inline style
Inline style refers to writing the CSS style directly in the HTML tag and setting the style of the element through the style attribute. The advantage of this method is that it is simple, intuitive, and able to quickly style a specific element. However, its shortcomings are also obvious: styles and HTML structures are tightly coupled, making it difficult to maintain and reuse. At the same time, when the style needs to be modified, the entire HTML document needs to be traversed, which is inefficient.
For example, the following code applies inline styles to a paragraph tag:
<p style="color: red; font-size: 16px;">这是一个红色的段落。</p>
2. Internal style sheet
The internal style sheet refers to writing the CSS style in the HTML document The `
` part is defined using the `