Font settings in css

In web design and front-end development, font selection and setting is a very important part. Appropriate fonts can make web text more readable and beautiful, and can also highlight the importance of web content. Here we will discuss the relevant knowledge of font settings in CSS.

1. Font types

In CSS, there are many font types to choose from, which can be divided into two categories: serif fonts and sans-serif fonts. The characteristic of serif fonts is the addition of some small horizontal and vertical lines in certain places of the font. These horizontal and vertical lines are called "serifs". Common serif fonts include Georgia, Times New Roman, Song Dynasty, etc. Sans serif fonts do not have these additional lines and generally look cleaner. Common sans-serif fonts include Arial, Helvetica, Microsoft Yahei, etc.

2. Font size

In CSS, you can set the font size by setting the font-size attribute. Common units for this attribute are px, em, rem and percentage. Among them, px is a pixel unit, specifying the actual size of the font displayed on the screen; em is a relative unit, specifying the font size relative to the element; rem is also a relative unit, but relative to the root element (usually < ;html> element); the percentage is relative to the font size of the parent element.

3. Font bold, italic and underline

In CSS, you can set the boldness of the font by setting the font-weight attribute. The value of this attribute is generally normal (default value) or bold, indicating normal and bold fonts respectively. By setting the font-style attribute, the font can be tilted. The value of this attribute can be italic (italic) or normal (normal). The default value is normal.

In addition, you can also add underlines through the text-decoration attribute. The value of this attribute can be underline or none. underline means adding an underline, and none means removing the underline.

4. Font color and typography

In CSS, you can set the font color by setting the font-color property. The value of this property can be the color's name, hexadecimal representation, or RGB representation.

In terms of typography, CSS also provides letter-spacing and line-height properties. Letter-spacing is used to adjust the distance between letters, while line-height is used to control line spacing.

5. Introduction of fonts

In addition to using the browser’s default fonts, CSS also allows us to introduce custom fonts into web pages. Generally, we can use @font-face rules to achieve this. This rule can introduce a custom font file (usually in OTF or TTF format) into the web page and specify its name. We can then use this name in CSS to select the corresponding font.

In short, fonts are an indispensable element in web design. If you choose and set fonts correctly, you can greatly improve the quality and user experience of your web pages. Finally, it is recommended that you try various font settings in CSS to achieve better results.

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