How to modify css font

CSS is a technology used for web design, which contains many properties for setting fonts. In web design, choosing the right font style and font size can go a long way toward making your page readable and beautiful. This article will introduce how to modify CSS fonts and provide some practical tips and suggestions.

1. How to modify CSS fonts

Modifying CSS fonts usually requires the following two steps:

1. Select the appropriate font style

In CSS , you can use the font-family property to modify the font style. This property can accept one or more font names as parameters, separated by commas. When the first font cannot be displayed, the browser will try to display other fonts. This ensures that the text on the web page is always displayed. For example, the following code uses three fonts: Sans-Serif, Helvetica and Arial, which represent Pingfang, Helvetica and Arial fonts respectively:

body {
  font-family: "Sans-Serif", "Helvetica", "Arial";
}

2. Modify the font size

You can use font -size attribute to modify the font size. This property can accept absolute or relative values ​​as parameters. Absolute value refers to the pixel value or other fixed unit value. For example, the following code sets the font size to 16 pixels:

body {
  font-size: 16px;
}

Relative values ​​refer to the size relative to the parent element. For example, the following code sets the font size to 50% of the parent element:

h1 {
  font-size: 50%;
}

2. Practical tips for CSS fonts

1. Use the system default font

in CSS , you can use keywords to set the system default font. For example, the following code sets the font to the system default Sans-Serif font:

body {
  font-family: sans-serif;
}

This ensures that the web page displays correctly on all systems and browsers.

2. Avoid using too many fonts

Using too many fonts in CSS will increase the loading time of the web page and also affect the performance of the web page. Therefore, try to use small and common fonts. For example, Sans-Serif, Serif, Helvetica, Arial, etc. are all commonly used fonts.

3. Use font icons

When you need to use small icons, it is more appropriate to use font icons than pictures. Font icons can not only reduce the loading time of web pages, but also achieve zooming, color changing and other effects. Currently, popular font icon libraries include Font Awesome, Material Icons, etc.

4. Use web fonts

Web fonts are special fonts that can be embedded into web pages. Using web fonts ensures that all visitors see the correct fonts, without relying on whether the user's system has a specific font installed. Currently, commonly used web font service providers include Google Fonts, Typekit, etc.

Conclusion

By modifying CSS fonts, the readability and aesthetics of web pages can be greatly improved. We can achieve the best effect by setting the font style and font size. In practical applications, you can also combine practical tips and suggestions to give full play to the advantages of CSS fonts.

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