I frequently get calls from family members asking why the font size on their Web browser suddenly changed or where they should look for the photos they have just downloaded from their digital camera.
Modern browsers are able to vary the default font size of a displayed Web page.
现代的浏览器能够改变web页面的默认字体大小。
3
This is very useful when a user needs to see more content within the browser viewport by decreasing the font size or to make a Web page more legible by increasing the font size.