Code for spaces in CSS
In CSS, spaces are used to separate selectors, properties, and values.
Selector spaces
Simple selectors: Spaces are used to separate different simple selectors. For example:
<code>div p { color: red; }</code>
Nested selectors: Spaces are used to separate nested selectors. For example:
<code>div > p { color: blue; }</code>
Adjacent selectors: Spaces are used to separate adjacent selectors. For example:
<code>p + h1 { font-size: 1.5em; }</code>
Properties and values spaces
Properties and values: Spaces are used for Separate properties and values. For example:
<code>color: red; font-size: 20px;</code>
Code Example
Consider the following HTML code:
<code><div> <h1>标题</h1> <p>段落</p> </div></code>
To make the headings blue, the paragraphs are In green, we can use the following CSS code:
<code>div h1 { color: blue; } div p { color: green; }</code>
In this code, spaces are used to separate selectors, properties, and values.
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