In CSS, you can use the border-color, border-top-color, border-bottom-color, border-left-color, and border-right-color properties to set the border color of the element.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
css property for setting border color
| Property | Description |
|---|---|
| border-bottom-color | Set the bottom border color of an element. |
| border-left-color | Set the left border color of an element icon. |
| border-right-color | Set the right border color of an element. |
| border-top-color | Set the top border color of an element |
| border-color | Set the four border colors of an element. |
#The border-color property is a shorthand property that can set four border colors in one statement, and can set 1 to 4 colors.
This property can set the color of the visible parts of all borders of an element, or set different colors for the 4 sides.
Example:
border-color:red green blue pink;
The upper border is red
The right border is green
-
The lower border is blue
The left border is pink
border-color:red green blue;
-
The upper border is red
The right and left borders are green
The lower border is blue
border-color:dotted red green;
The upper and lower borders are red
The right and left borders are green
border-color:red;
all 4 The borders are all red
Example 1:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
p.one
{
border-style:solid;
border-color:#0000ff;
}
p.two
{
border-style:solid;
border-color:#ff0000 #0000ff;
}
p.three
{
border-style:solid;
border-color:#ff0000 #00ff00 #0000ff;
}
p.four
{
border-style:solid;
border-color:#ff0000 #00ff00 #0000ff rgb(250,0,255);
}
</style>
</head>
<body>
<p class="one">单色边框！</p>
<p class="two">双色边框！</p>
<p class="three">三色边框！</p>
<p class="four">四色边框！</p>
</body>
</html>
Example 2:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
p.four
{
border-style:solid;
border-top-color:#ff0000;
border-bottom-color:#0000ff;
border-left-color:rgb(250,0,255);
border-right-color:#00ff00;
}
</style>
</head>
<body>
<p class="four">四色边框！</p>
</body>
</html>
CSS Color
In css, the color value can use color name, percentage, number and hexadecimal value, there are four A way of writing.
1) Use color names
Although there are currently about 184 named colors, they are truly supported by various browsers and serve as CSS specifications There are only 16 recommended color names, as shown in the table below.
| Name | Color | Name Name | Color | Name | Color |
|---|---|---|---|---|---|
| Pure black | silver | Light gray | navy | Dark blue | |
| Light blue | green | Dark Green | lime | Light Green | ##teal |
| aqua | 天蓝 | maroon | Crimson | ##red | |
| purple | Deep Purple | fuchsia | Magenta | ##olive | Brown Yellow |
| 明黄 | gray | Dark Gray | white | Shell White | |
The above is the detailed content of How to set border color css. For more information, please follow other related articles on the PHP Chinese website!
What is thedifference between class and id selector?May 12, 2025 am 12:13 AMClassselectorsareversatileandreusable,whileidselectorsareuniqueandspecific.1)Useclassselectors(denotedby.)forstylingmultipleelementswithsharedcharacteristics.2)Useidselectors(denotedby#)forstylinguniqueelementsonapage.Classselectorsoffermoreflexibili
CSS IDs vs Classes: The real differencesMay 12, 2025 am 12:10 AMIDsareuniqueidentifiersforsingleelements,whileclassesstylemultipleelements.1)UseIDsforuniqueelementsandJavaScripthooks.2)Useclassesforreusable,flexiblestylingacrossmultipleelements.
CSS: What if I use just classes?May 12, 2025 am 12:09 AMUsing a class-only selector can improve code reusability and maintainability, but requires managing class names and priorities. 1. Improve reusability and flexibility, 2. Combining multiple classes to create complex styles, 3. It may lead to lengthy class names and priorities, 4. The performance impact is small, 5. Follow best practices such as concise naming and usage conventions.
ID and Class Selectors in CSS: A Beginner's GuideMay 12, 2025 am 12:06 AMID and class selectors are used in CSS for unique and multi-element style settings respectively. 1. The ID selector (#) is suitable for a single element, such as a specific navigation menu. 2.Class selector (.) is used for multiple elements, such as unified button style. IDs should be used with caution, avoid excessive specificity, and prioritize class for improved style reusability and flexibility.
Understanding the HTML5 Specification: Key Objectives and BenefitsMay 12, 2025 am 12:06 AMKey goals and advantages of HTML5 include: 1) Enhanced web semantic structure, 2) Improved multimedia support, and 3) Promoting cross-platform compatibility. These goals lead to better accessibility, richer user experience and more efficient development processes.
Goals of HTML5: A Developer's Guide to the Future of the WebMay 11, 2025 am 12:14 AMThe goal of HTML5 is to simplify the development process, improve user experience, and ensure the dynamic and accessible network. 1) Simplify the development of multimedia content by natively supporting audio and video elements; 2) Introduce semantic elements such as, etc. to improve content structure and SEO friendliness; 3) Enhance offline functions through application cache; 4) Use elements to improve page interactivity; 5) Optimize mobile compatibility and support responsive design; 6) Improve form functions and simplify verification process; 7) Provide performance optimization tools such as async and defer attributes.
HTML5: Transforming the Web with New Features and CapabilitiesMay 11, 2025 am 12:12 AMHTML5transformswebdevelopmentbyintroducingsemanticelements,multimediacapabilities,powerfulAPIs,andperformanceoptimizationtools.1)Semanticelementslike,,,andenhanceSEOandaccessibility.2)Multimediaelementsandallowdirectembeddingwithoutplugins,improvingu
ID vs. Class in CSS: A Comprehensive ComparisonMay 11, 2025 am 12:12 AMTherealdifferencebetweenusinganIDversusaclassinCSSisthatIDsareuniqueandhavehigherspecificity,whileclassesarereusableandbetterforstylingmultipleelements.UseIDsforJavaScripthooksoruniqueelements,anduseclassesforstylingpurposes,especiallywhenapplyingsty
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
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
SublimeText3 Linux new version
SublimeText3 Linux latest version
