Web Front-end
CSS Tutorial
How to achieve the effect of CSS hover floating window and how to solve the problem of mistriggering hover event?
How to achieve the effect of CSS hover floating window and how to solve the problem of mistriggering hover event?
Apr 05, 2025 pm 10:06 PM
CSS hover floating window effect and error triggering problem solution
This article introduces a CSS-implemented hover floating window effect and solves its common mistriggering problems. This effect is similar to the top navigation bar of some websites: When the mouse hovers over a specific element, a floating window appears next to it.
We explain based on the following HTML structure and CSS style: In the code, each .box element contains a text and a .air-bubble element for displaying floating windows. The original CSS style used .box:hover to trigger the floating window display, .box:hover > .air-bubble controls the visibility and transparency of the floating window.
However, a problem arises: even if .air-bubble element is set to invisibility ( visibility: none ), hovering over its area will still trigger the hover event of .box , causing the floating window to appear unexpectedly. The browser will also issue a "invalid property value: visibility none" warning.
The fundamental reason is that hover event acts on .box element, and as a child .air-bubble , its area also belongs to the hover area of .box . Therefore, even if .air-bubble is not visible, the mouse will still trigger .box:hover in its area, thus displaying the floating window.
The solution is to bind hover event to a specific child element within the .box element. The modified CSS code is as follows:
.box > span:hover {
background-color: var(--primary);
color: var(--white);
}
.box > span:hover .air-bubble {
opacity: 1;
visibility: visible;
}
By binding hover event to the span element (assuming your text is located<span></span> In the tag), we make sure that the floating window display will be triggered only if the mouse is hovering over the span element. The selector ensures that only the .air-bubble element that follows the span element will be affected. This effectively avoids the problem of triggering hover events in .air-bubble invisible area. The "invalid property value: visibility none" warning usually disappears with it, as it is caused by a wrong hover event binding.
The above is the detailed content of How to achieve the effect of CSS hover floating window and how to solve the problem of mistriggering hover event?. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undress AI Tool
Undress images for free
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
How to use the CSS backdrop-filter property?
Aug 02, 2025 pm 12:11 PM
Backdrop-filter is used to apply visual effects to the content behind the elements. 1. Use backdrop-filter:blur(10px) and other syntax to achieve the frosted glass effect; 2. Supports multiple filter functions such as blur, brightness, contrast, etc. and can be superimposed; 3. It is often used in glass card design, and it is necessary to ensure that the elements overlap with the background; 4. Modern browsers have good support, and @supports can be used to provide downgrade solutions; 5. Avoid excessive blur values and frequent redrawing to optimize performance. This attribute only takes effect when there is content behind the elements.
The latest version of Ouyi APP official website 2025 Ouyi Trading App Android v6.132.0
Aug 01, 2025 pm 09:12 PM
Ouyi is a world-leading digital asset trading platform, providing users with safe, stable and reliable digital asset trading services, and supports spot and derivative transactions of various mainstream digital assets such as Bitcoin (BTC), Ethereum (ETH). Its strong technical team and risk control system are committed to protecting every transaction of users.
Ethereum's latest k-line chart app ETH coins 24-hour price dynamics real-time query
Aug 01, 2025 pm 08:48 PM
Ethereum is a decentralized open source platform based on blockchain technology, which allows developers to build and deploy smart contracts and decentralized applications. Its native cryptocurrency is Ethereum (ETH), which is one of the leading digital currencies with market value in the world.
How to create a bouncing animation with CSS?
Aug 02, 2025 am 05:44 AM
Define@keyframesbouncewith0%,100%attranslateY(0)and50%attranslateY(-20px)tocreateabasicbounce.2.Applytheanimationtoanelementusinganimation:bounce0.6sease-in-outinfiniteforsmooth,continuousmotion.3.Forrealism,use@keyframesrealistic-bouncewithscale(1.1
Binance app genuine official website link Binance app Android version latest address v3.0.7
Aug 01, 2025 pm 09:18 PM
Binance is the world's leading digital asset trading platform, providing users with secure, stable and convenient cryptocurrency trading services. It supports the transaction of a variety of digital currencies and provides spot, contract and other functions.
Ethereum K-line trend real-time app ETH coins 24-hour price fluctuations are viewed online
Aug 01, 2025 pm 09:09 PM
Ethereum is a decentralized open source public platform based on blockchain technology. It allows developers to build and deploy smart contracts and decentralized applications. Ethereum (ETH) is a native cryptocurrency of the Ethereum platform. It is not only the "fuel" on the platform, but also one of the leading digital assets with market value in the world. Its price fluctuations have attracted much attention from investors.
How to create a CSS-only accordion?
Aug 02, 2025 am 01:01 AM
Use hidden check boxes or radio buttons as switches to control the display of content through the :after pseudo-class and sibling selector; 2. Use CSS to hide the input box, style the label to clickable title, and use the checked state to switch the content's max-height to achieve expansion and collapse; 3. Ensure that the label is associated with the input box to improve accessibility, add the :focus style to support keyboard navigation; 4. If you need to expand only one panel at a time, you can use the radio type input box with the same name attribute instead. This method does not require JavaScript, is lightweight and efficient, is suitable for interactive display of static content, and has good accessibility.
How to download the latest version of Binance app Binance app latest version v3.0.7
Aug 01, 2025 pm 09:27 PM
Binance is an internationally renowned digital asset trading platform, committed to providing global users with a safe and efficient trading experience. As its mobile application, Binance official App integrates market viewing, transaction execution and asset management, allowing users to grasp market dynamics anytime, anywhere.
