How to set html font size

HTML font size can be set using absolute units, relative units and CSS style sheets. 1. Use absolute units to set font size, pixels, points, millimeters or centimeters; 2. Use relative units to set font size, percentage, units relative to the viewport; 3. Use CSS style sheets to set font sizes, link to external CSS style sheets , inline style sheet.

#In web design, the choice of font size is crucial. Reasonable font size can not only improve the readability of the web page, but also affect the user's perception of the overall layout of the web page. This article will introduce some common methods and techniques to help you set the appropriate font size in HTML.

1. Use absolute units to set the font size:

1. Pixels (px): Using pixels as the unit for setting font sizes is the most common way to ensure consistent font sizes across different devices and browsers. For example, you can use the following code snippet to set the text in a paragraph to a 16-pixel size:

This is a paragraph of text

2. Points (pt): Point is a font measurement unit, 1 A pound is equivalent to 1/72 inch. Although pixels are the more commonly used unit, points are still widely used in some printing and typesetting environments.

This is a paragraph of text

3. Millimeters (mm) or centimeters (cm): Millimeters and centimeters can also be used as units to set the font size, especially in the printing field.

This is a paragraph of text

2. Use relative units to set the font size:

1. Percent (%): Relative units allow you to set the font size based on the font size of the parent element. For example, if the font size of the parent element is 16 pixels, you can use the following code to set the font size of the child element to 150% of the parent element:

This is a paragraph of text

2. Relative to Viewport units (vw and vh): vw (percentage of viewport width) and vh (percentage of viewport height) are relative units for setting font size based on the viewport size.

This is a paragraph of text

3. Use CSS style sheet to set the font size:

In order to better organize and manage the style of the web page, it is recommended Use CSS stylesheets to set font size. Font sizes can be set for an entire web page or for specific elements by linking an external style sheet in HTML or using an inline style sheet. The following is an example:

1. Link to an external CSS style sheet:

Introduce a style sheet file (such as styles.css) in the HTML header and define the elements that need to set the font size in it Styles, as shown below

HTML part:

styles.css part:

p {
font-size: 16px;
}

2. Inline style sheet:

By directly in the HTML element The style attribute is used internally to define the font size, as shown below:

This is a paragraph of text

Summary:

Setting the HTML font size is a way to develop web pages an important link that cannot be ignored. This article details how to set font size using absolute units (pixels, points, millimeters, centimeters), relative units (percent, vw, vh), and CSS style sheets. In practical applications, it is very important to choose an appropriate method to set the font size according to different needs and devices. By setting the font size appropriately, you can improve the readability of the web page and the beauty of the overall layout. Hope this article helps you to set font size in HTML .

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