How to write hr color of horizontal line in html
In HTML, you can use the border-color attribute to set the color of the horizontal line hr. You only need to add the "border-color: color value;" style to the hr tag. The border-color attribute is used to set the border color of an element. You can set four border colors of an element in one declaration, that is, this attribute can have one to four values.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer. The
tag defines a topic change (such as a transfer of topic) in an HTML page and is displayed as a horizontal line. The
element is used to separate content in an HTML page (or to define a variation).
The default hr tag style:
is just a black line, which is not beautiful at all. You can use the border-color property of CSS to set the color.
<hr style="border-color: red"/>
Rendering:
border-color attribute introduction
border-color attribute setting The four border colors of an element. This property can have one to four values.
Attribute value:
color Specifies the background color.
transparent Specifies that the color of the border should be transparent. This is the default
The color representation method supported by CSS3
- is represented by the English name of the color. The English name represents a color, but the representation is very limited and difficult to remember and query.
- is represented by the color of hex. The principle of the three primary colors of color and light can be looked up in the table.
- is represented by rgb (r, g, b). The principle of three primary colors of light, red, green and blue.
- is represented by hsl (Hue, Saturation, Lightness). Hue Saturation Brightness.
- is represented by rgba (r, g, b, a). The principle of three primary colors of light, red, green, blue and transparency. a ∈ [0, 1], 0 represents complete transparency.
- is represented by hsla (Hue, Saturation, Lightness, alpha). Hue, saturation, brightness and transparency. alpha ∈ [0, 1], 0 represents complete transparency.
Example:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html" ;charset="utf-8">
<title>CSS颜色表示</title>
<style type="text/css">
div>div{
width: 400px;
height: 40px;
}
</style>
</head>
<body>
<script type="text/javascript">
for (var i = 0; i < 300; i++) {
document.write("CSS颜色表示");
}
</script>
<div style="position:absolute;top:0px">
<div style="background-color:gray;">
background-color:gray
</div>
<div style="background-color:#ff4314;">
background-color:#888
</div>
<div style="background-color:#ffff00;">
background-color:#ffff00
</div>
<div style="background-color:rgb(0, 255, 255);">
background-color:rgb(0, 255, 255)
</div>
<div style="background-color:hsl(120, 100%, 50%);">
background-color:hsl(120, 100%, 50%)
</div>
<div style="background-color:rgba(0, 255, 255, 0.5);">
background-color:rgba(0, 255, 255, 0.5)
</div>
<div style="background-color:hsla(120, 100%, 50%, 0.5);">
background-color:hsla(120, 100%, 50%, 0.5)
</div>
</div>
</body>
</html>Web page display
Explanation: The reason why text is added at the end is to verify transparency.
(Learning video sharing: css video tutorial, web front-end)
The above is the detailed content of How to write hr color of horizontal line in html. For more information, please follow other related articles on the PHP Chinese website!
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
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)
Hot Topics
1376
52
How to use bootstrap button
Apr 07, 2025 pm 03:09 PM
How to use the Bootstrap button? Introduce Bootstrap CSS to create button elements and add Bootstrap button class to add button text
How to resize bootstrap
Apr 07, 2025 pm 03:18 PM
To adjust the size of elements in Bootstrap, you can use the dimension class, which includes: adjusting width: .col-, .w-, .mw-adjust height: .h-, .min-h-, .max-h-
How to set up the framework for bootstrap
Apr 07, 2025 pm 03:27 PM
To set up the Bootstrap framework, you need to follow these steps: 1. Reference the Bootstrap file via CDN; 2. Download and host the file on your own server; 3. Include the Bootstrap file in HTML; 4. Compile Sass/Less as needed; 5. Import a custom file (optional). Once setup is complete, you can use Bootstrap's grid systems, components, and styles to create responsive websites and applications.
How to insert pictures on bootstrap
Apr 07, 2025 pm 03:30 PM
There are several ways to insert images in Bootstrap: insert images directly, using the HTML img tag. With the Bootstrap image component, you can provide responsive images and more styles. Set the image size, use the img-fluid class to make the image adaptable. Set the border, using the img-bordered class. Set the rounded corners and use the img-rounded class. Set the shadow, use the shadow class. Resize and position the image, using CSS style. Using the background image, use the background-image CSS property.
How to view the date of bootstrap
Apr 07, 2025 pm 03:03 PM
Answer: You can use the date picker component of Bootstrap to view dates in the page. Steps: Introduce the Bootstrap framework. Create a date selector input box in HTML. Bootstrap will automatically add styles to the selector. Use JavaScript to get the selected date.
How to write split lines on bootstrap
Apr 07, 2025 pm 03:12 PM
There are two ways to create a Bootstrap split line: using the tag, which creates a horizontal split line. Use the CSS border property to create custom style split lines.
How to verify bootstrap date
Apr 07, 2025 pm 03:06 PM
To verify dates in Bootstrap, follow these steps: Introduce the required scripts and styles; initialize the date selector component; set the data-bv-date attribute to enable verification; configure verification rules (such as date formats, error messages, etc.); integrate the Bootstrap verification framework and automatically verify date input when form is submitted.
How to set the bootstrap navigation bar
Apr 07, 2025 pm 01:51 PM
Bootstrap provides a simple guide to setting up navigation bars: Introducing the Bootstrap library to create navigation bar containers Add brand identity Create navigation links Add other elements (optional) Adjust styles (optional)
