How to make css style sheet for web design-CSS Tutorial-php.cn

How to make css style sheet for web design

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Release： 2024-04-25 13:06:19

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CSS Web Design Guide: Creating CSS Files (.css). Link CSS files to HTML documents (<link> tag). Writing CSS rules: Selectors: Specify elements. Declaration block: Contains style properties and values (such as text color, layout). Set style properties: Control element appearance (such as font, color, border). Management priorities: Follow the order of specificity and origin.

How to make css style sheet for web design

How to use CSS style sheets for web design

CSS (Cascading Style Sheets) is used to control the appearance of web pages powerful tool. By using CSS, you can adjust text styles, colors, layout, and other elements on the page. The following will introduce in detail how to create and use CSS style sheets for web design.

Create CSS file

First, you need to create a new CSS file. This can be done by creating a new file in a text editor such as Notepad or Sublime Text and saving it as a file with the .css extension.

Linking the CSS File

After creating the CSS file, you need to link it into your HTML document. In the <head> section, reference the CSS file using the <link> tag:

<code class="html"><link rel="stylesheet" href="styles.css"></code>

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Writing CSS Rules

CSS rules consist of the following parts:

Selector: Specifies the HTML element to which the style is to be applied.
Declaration block: Contains the style attributes and values to be applied to the selector.

For example, the following rule will set the text color of all  elements to red:

<code class="css">p {
  color: red;
}</code>

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Set style attributes

CSS provides a wide range of style attributes for controlling the appearance of various elements, including:

Text style: Font, font size, color
Layout:Margin, padding, alignment
Background:Color, image, gradient
Border: Style, color, width

Priority

When multiple CSS rules are applied to the same element, the rule with higher priority will be applied. Priority is determined by the following factors:

Specificity: The more specific a rule (e.g. using an ID selector) the higher the priority.
Source: Inline styles>Inline styles>External style sheets.

Creating and using CSS style sheets allows you to easily control the appearance of your web pages, making the design more consistent and professional. By taking full advantage of the power of CSS, you can create beautiful and efficient websites.

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