CSS is an integral part of web design and development. It can help us control various styles in web pages. Among them, bold is one of the common text styles used to highlight important information or emphasize certain words. In CSS, setting bold font is very simple. Let’s learn more about it below.

In CSS, we can use the font-weight attribute to control the thickness of the text. This attribute has the following values:

1. normal (default value): means normal The font thickness.
2. bold: Indicates the bold font thickness.
3. bolder: Indicates a font thickness that is thicker than normal.
4. lighter: Indicates a font thickness that is thinner than normal.
5. Number: Indicates the specific font thickness. The larger the value, the thicker it is. For example, font-weight: 600; means the font weight is 600.

When using the font-weight attribute, it can be used together with other font attributes, such as font-size, font-family, etc. Here are some application examples:

1. Set the font weight of a single element:

body {
font-weight: bold;
}

2. Set the font weight of a certain category element Level:

.bold-text {
font-weight: bolder;
}

3. Set the font weight of part of the text in a paragraph:

span {
font-weight: 600;
}

For some special text elements, we can set their font weight through inheritance. Here are some examples of practical applications:

1. Set the font thickness of the web page title:

This is the title of the page

2. Set the bold display of paragraph text in web pages:

< ;/head>

This is the text of the webpage

3. Set a certain point in the table in the webpage A column of text is shown in bold:

Summary: CSS bold setting is very simple, we only need to apply the font-weight attribute. In practical applications, we can set different font thicknesses according to different needs to achieve better display effects.

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