Web Front-endCSS TutorialDetailed explanation of 4 types of codes that change the website to black and white
The 2008.5.12 Wenchuan earthquake in Sichuan took away many lives, which is regrettable. In order to express its deep condolences for the victims, the State Council decided May 19 to 21, 2008 as the National Day of Mourning. During this period, many websites changed their styles to "black, white, and gray" to express condolences for the victims. It is recommended that webmasters across the country take action to mourn the compatriots who died in the earthquake
The 2008.5.12 Wenchuan earthquake in Sichuan took away many lives, which is regrettable. In order to express its deep condolences to the compatriots who died in the earthquake, the State Council decided on May 2008 March 19th to 21st is a national day of mourning. During this period, many websites changed their styles to "black, white, and gray" to express condolences for the victims. It is recommended that webmasters across the country take action to mourn the compatriots who died in the earthquake.
Related articles: One line of CSS code to make the website black and white.
In order to facilitate individual webmasters to express their condolences, we now summarize the practical CSS filter codes and make slight adjustments to convert the website into a "black, white, and gray" style.
Method 1:
html {
filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
} The above code can change the web page to black and white and gray network. Add the code to the top of CSS to achieve plain decoration.
Method 2:
If the website does not use CSS files, you can insert between the HTML code
<style type=”text/css”>
html{
filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
}
</style> Some webmasters’ websites may not be able to use this css because the website does not use the latest web page standard protocol. Replace the at the top of the webpage with the following code:
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> <html xmlns=”http://www.w3.org/1999/xhtml”>
Method 3:
There are some websites where the color of FLASH animation cannot be controlled by CSS filters. , you can insert between
<param value=”false” name=”menu”/> <param value=”opaque” name=”wmode”/>
Method 4:
The simplest way to change the page The code for black, white and gray is between the head: (or the selector in the CSS file is html or body)
<style type=”text/css”>
html {
filter: gray;
}
</style>The above is the detailed content of Detailed explanation of 4 types of codes that change the website to black and white. For more information, please follow other related articles on the PHP Chinese website!
Adding Box Shadows to WordPress Blocks and ElementsMar 09, 2025 pm 12:53 PMThe CSS box-shadow and outline properties gained theme.json support in WordPress 6.1. Let's look at a few examples of how it works in real themes, and what options we have to apply these styles to WordPress blocks and elements.
Demystifying Screen Readers: Accessible Forms & Best PracticesMar 08, 2025 am 09:45 AMThis is the 3rd post in a small series we did on form accessibility. If you missed the second post, check out "Managing User Focus with :focus-visible". In
Create a JavaScript Contact Form With the Smart Forms FrameworkMar 07, 2025 am 11:33 AMThis tutorial demonstrates creating professional-looking JavaScript forms using the Smart Forms framework (note: no longer available). While the framework itself is unavailable, the principles and techniques remain relevant for other form builders.
Create an Inline Text Editor With the contentEditable AttributeMar 02, 2025 am 09:03 AMBuilding an inline text editor isn't trivial. The process starts by making the target element editable, handling potential SyntaxError exceptions along the way. Creating Your Editor To build this editor, you'll need to dynamically modify the content
Making Your First Custom Svelte TransitionMar 15, 2025 am 11:08 AMThe Svelte transition API provides a way to animate components when they enter or leave the document, including custom Svelte transitions.
Working With GraphQL CachingMar 19, 2025 am 09:36 AMIf you’ve recently started working with GraphQL, or reviewed its pros and cons, you’ve no doubt heard things like “GraphQL doesn’t support caching” or
File Upload With Multer in Node.js and ExpressMar 02, 2025 am 09:15 AMThis tutorial guides you through building a file upload system using Node.js, Express, and Multer. We'll cover single and multiple file uploads, and even demonstrate storing images in a MongoDB database for later retrieval. First, set up your projec
Comparing the 5 Best PHP Form Builders (And 3 Free Scripts)Mar 04, 2025 am 10:22 AMThis article explores the top PHP form builder scripts available on Envato Market, comparing their features, flexibility, and design. Before diving into specific options, let's understand what a PHP form builder is and why you'd use one. A PHP form
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
EditPlus Chinese cracked version
Small size, syntax highlighting, does not support code prompt function
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
Atom editor mac version download
The most popular open source editor
