Proficient in using common CSS attribute selectors

To master common CSS attribute selectors, specific code examples are required

CSS is a language used to control the style of web pages. It can add styles and styles to HTML elements. layout. In CSS, the attribute selector is a very useful selector. It can select the corresponding element according to its attribute value, thereby conveniently modifying its style.

The following will introduce some commonly used CSS attribute selectors and provide specific code examples.

1. Selector [type]: Select elements based on their type attributes.

Write the following CSS code to set the background color of all button elements of type "button" to red:

button[type="button"] {
  background-color: red;
}

2. Selector [class]: According to the element The class attribute selects elements.

Write the following CSS code to set the text color of all elements with class "highlight" to blue:

.highlight {
  color: blue;
}

3. Selector [id]: According to the element The id attribute selects the element.

Write the following CSS code to set the background color of the navigation bar element with the id "navbar" to gray:

#navbar {
  background-color: gray;
}

4. Selector [attr~=value] : Select elements that have the specified attribute and the attribute value contains a specific vocabulary.

Write the following CSS code to set the text color to green for elements with the attribute "lang" and the attribute value containing "en":

[lang~="en"] {
  color: green;
}

5. Selector [attr^=value]: Select elements with the specified attribute and whose attribute value starts with a specific value.

Write the following CSS code to set the font style to italic for elements that have the attribute "data-" and whose attribute value starts with "menu":

[data^="menu"] {
  font-style: italic;
}

6. Select [attr$=value]: Selects elements with the specified attribute and whose attribute value ends with a specific value.

Write the following CSS code to set the text color of link elements with the attribute "href" and the attribute value ending with ".pdf" to red:

[href$=".pdf"] {
  color: red;
}

These are commonly used CSS attribute selectors, which can quickly and accurately select specified elements and modify their styles. By using these selectors flexibly, we can more easily control the style of web pages.

I hope the above content can help you better understand and master the use of CSS attribute selectors. I wish you better results when using CSS!

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