How to use px and em? Summary of usage of px and em instances in css

Domestic websites, including the three major portals, as well as Blue Ideal, which "leads" the trend of Chinese website design, ChinaUI, etc., all use px as the font unit. Only Baidu has set an adjustable example. On the other side of the ocean, almost all mainstream sites use em as the font unit, which is adjustable. Yes, px is easier to use than em, and most readers don't know what em is or how much px it is. Foreign people attach so much importance to website accessibility (Accessibility), not only because of its deep-rooted humanistic spirit, but the direct reason may be because there is a law to restrict them - such as Section 508 in the United States, which forces websites to achieve a certain level of accessibility. key point: 1. In the past, IE could not adjust the font size using px as the unit, but now almost all IE supports it; 2. The reason why most foreign websites can be adjusted is that they use em as the font unit; 3. Firefox can adjust px and em, but more than 96% of Chinese netizens use IE browser (or kernel). px pixel (Pix

1. The difference between px and em units in css

Introduction: Among domestic websites, including the three major portals, as well as Blue Ideal, which "leads" the trend of Chinese website design, ChinaUI, etc., only Baidu has made it adjustable. On the other side of the ocean, almost all mainstream sites use em as the font unit, which is adjustable. Yes, px is easier to use than em. Most readers don’t know what em is or how much px it is. . Foreigners attach so much importance to website accessibility (Accessibility), not only because of its deep-rooted humanistic spirit, but also because there is a law to restrict them - such as Section 508 in the United States, which forces websites to achieve a certain level of accessibility. .

##2. The difference between px, em and rem in css

#Introduction: I believe every front-end engineer has this experience. Most domestic designers like to use px, while most foreign websites like to use em and rem. So what is the difference between the three? What are the advantages and disadvantages of each? In this article, I will give you a detailed introduction to the differences between px, em and rem in css. Friends who need it can refer to it. Let’s take a look together.

3.

Commonly used font units in CSS: differences between px, em, rem and %_html/css_WEB-ITnose

Introduction: Commonly used font units in CSS: the difference between px, em, rem and %

4.

Style units of px, em, rem_html/css_WEB-ITnose

Introduction: style units px, em, rem

5.

css3 px, em and rem_html/css_WEB-ITnose

Introduction: css3 px, em and rem

6.

What you should know about CSS text size units PX, EM, PT_html /css_WEB-ITnose

Introduction: CSS text size units you should know: PX, EM, PT

7.

Detailed explanation of px, em, and rem in css_html/css_WEB-ITnose

Introduction: Detailed explanation of px, em, and rem in css

The above is the detailed content of How to use px and em? Summary of usage of px and em instances in css. For more information, please follow other related articles on the PHP Chinese website!