How does layui framework inherit styles?

The layui framework provides two style inheritance methods: ordinary inheritance (directly using the class attribute of the parent element) and conditional inheritance (adding . before the child's class attribute). Conditional inheritance is suitable when the child needs to inherit the parent's style but needs to add or cancel specific styles. In terms of priority, conditional inheritance is higher than ordinary inheritance, and child styles will override parent conflict styles.

Style inheritance method of layui framework

The layui framework provides two style inheritance methods:

1. Ordinary inheritance

• Parent element sets the class attribute.
• Child elements directly use the class attribute of the parent element.

<div class="container">
  <div class="item"></div>
</div>

.container {
  color: red;
}

2. Conditional inheritance

• Parent element sets the class attribute.
• The child element adds . before its own class attribute to indicate that it inherits the style of the parent element.

<div class="container">
  <div class=".item"></div>
</div>

.container {
  color: red;
}

When to use conditional inheritance?

Conditional inheritance is suitable for the following scenarios:

• When the child element needs to inherit the style of the parent element, but needs to add additional styles.
• When the child element needs to inherit the style of the parent element, but needs to cancel some specific styles in the parent element.

Note:

• Two inheritance methods can be used at the same time.
• Conditional inheritance has higher priority than ordinary inheritance.
• If the style set by the child element conflicts with the parent element, the style of the child element will override the style of the parent element.

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