CSS 属性取值和的区别是什么

2025-04-03 14:45:33
推荐回答(3个)
回答1:

CSS 属性取值是没有区别的,在开发中通常称为键值对,举个例子:

color:yellow

那么color为属性,而yellow为取值,这是配对的

CSS 语法

  1. CSS 规则由两个主要的部分构成:选择器,以及一条或多条声明。selector {declaration1; declaration2; ... declarationN }

  2. 选择器通常是您需要改变样式的 HTML 元素。

    每条声明由一个属性和一个值组成。

    属性(property)是您希望设置的样式属性(style attribute)。每个属性有一个值。属性和值被冒号分开。

    selector {property: value}

  3. 下面这行代码的作用是将 h1 元素内的文字颜色定义为红色,同时将字体大小设置为 14 像素。

    在这个例子中,h1 是选择器,color 和 font-size 是属性,red 和 14px 是值。

    h1 {color:red; font-size:14px;}

    如图所示:

回答2:

css属性与取值的区别吗,如,css中有很多的属性,而值就是表明这些属性的值的意思,不知道我这样描述你是否明白;
css它只遵循一个法则,就是选择器,很容易理解,css通过什么来选择这个元素,应该对应的css样式。
如果还有点朦胧的话去w3cschool了解一下即可

回答3:

属性是名字的意思,比如想设置高度,高度的名字就是height,
值是什么,再比如高度,
值就是100px,px是单位,100个像素高

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