css3 - 在body中font:13px/1.7em;是什么意思？

body{ {代码...} } 是什么意思？为什么会有2个参数

From [CSS3discussion group] 2017-04-17 11:23:07 0  1  545

css3选择器能否区分有输入与无输入的input？

例如用伪类:focus可以区分获取焦点与无焦点的元素，并且是动态的 我想在页面input没有输入东西时一种表现，当用户一输入时又一种表现，动态的，能用选择器区分开来吗？

From [CSS3discussion group] 2017-04-17 11:07:14 0  3  545

How to vertically center text next to a switch?

I want to make a text in the center of "toggle-label" class vertically with "switch" but I...

From [CSS3discussion group] 2023-09-15 11:58:54 0  1  544

Title rewritten as: HTML element height does not reach 100% coverage

I want this element to cover 100% of the screen height, apparently it doesn't do that, is there any workaround...

From [CSS3discussion group] 2023-09-15 08:52:48 0  1  544

How to center an image when the navigation bar shrinks?

I'm using a template to build a website (https://github.com/learning-zone/website-templates/tree/master/victor...

From [CSS3discussion group] 2023-08-18 11:05:33 0  1  544

Each time the page loads, select the li list of default matching names

I've created a list of color buttons on a product detail page on my e-commerce web page. When I enter the page...

From [CSS3discussion group] 2023-08-13 17:51:12 0  1  544

What is the relationship between canvas scale and canvas size?

What's the relationship between canvas scale and canvas size? My ultimate goal is to change the scale by the u...

From [CSS3discussion group] 2023-07-25 12:33:23 0  1  544

css - border-radius失效有哪些原因呢？

看图吧，在firefox、chrome、opera都有圆角效果，safari中却没有，div结构如下图这样：

From [CSS3discussion group] 2017-04-17 11:45:02 0  1  544

html - 请问 在 css 中 expression 叫什么?我想系统学习一下.

{代码...} 这里面普通的css我能看懂,请问这个 expression 语法 是出自什么?document.body.clientWidth 应该是js ,那么 expression 后面能跟jQuery 吗? 我想...

From [CSS3discussion group] 2017-04-17 11:38:41 0  3  544

Even after clearing, the value of my file input remains

As you can see in the screenshot. I select a file, keep the popup without refreshing the page, and then open i...

From [CSS3discussion group] 2024-04-06 15:44:52 0  1  542

The content the user left last time will be automatically restored and the website will jump to that content

In HTML and CSS, how can I make it so that when a user leaves and reopens the page after viewing it, the page ...

From [CSS3discussion group] 2023-09-13 19:14:01 0  1  542

html - 请教，下图登录页如何用css实现？半透明的边框怎么做？

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From [CSS3discussion group] 2017-04-17 11:54:26 0  4  542

前端 - Flex布局中容器中项目的宽度设置问题？

问题的演示地址：点击这里 想实现的布局是按照2:1:1的宽度排列，但是现在在第三个项目中如果增加了比较多的内容，这个项目的宽度就会随着内容的增加而增加，破坏了2:1:1的结构。 我在这里看到使用flex-basis:0的...

From [CSS3discussion group] 2017-04-17 11:33:45 0  2  542

Can grid-template-rows: Repeat(auto-fill, 80px) be used interchangeably with grid-auto-rows: 80px?

I want the grid to add more rows as needed when adding dynamic content. This will do the trick: .grid{display:...

From [CSS3discussion group] 2023-09-12 21:10:45 0  1  541

How can I fill the bottle with color using clipPath

I have an image of a bottle and trying to fill this bottle with a certain color I found the fill coordinates b...

From [CSS3discussion group] 2023-09-09 14:53:51 0  2  541