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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
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
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.
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