How to cancel css style
<link rel="stylesheet" href="styles.css">
<div class="container"> <h1 class="title">我的网站</h1> <p class="content">欢迎来到我的网站!</p> </div>
<div>
and two inner elements <h1>
and <p>
. CSS style classes can be applied to one or more elements, which makes the design of style sheets more efficient.
<p>However, sometimes you may need to cancel the CSS style on an element. One solution is to replace the original style by overriding the attribute value of the style class. For example, if you didn't want the <h1>
element to use the font size of the style class .title
, you could write:
h1.title { font-size: 16px; } h1 { font-size: inherit; }
.title
class style as 16 pixels. However, by overriding the style of the h1
element in the code below, we can set the font size to the default font size of the parent element (the container element), where inherit
is the CSS property value A keyword that allows an element to inherit the styles of its parent element.
<p>However, using CSS inherited properties cannot guarantee consistency across all browsers, operating systems, and devices, especially on mobile device browsers.
<p>Another solution is to use the all
attribute and set it to initial
. The all
attribute will override all CSS styles on the element, while the initial
value will set all styles to their default values. This method is the most straightforward, but it may have some side effects, such as it not clearing the element's inline styles.
h1 { all: initial; }
.cancel-all { all: initial; }
<h1 class="title cancel-all">我的网站</h1>
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