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Set the color of the four borders using CSS
The CSS border-color property is used to set the color of the four borders of an element. You can specify different colors for each border or apply a single color to all borders.
Syntax
selector {
border-color: value;
}
Possible Values
| Value | Description |
|---|---|
color-name |
Specifies a color by name (e.g., red, blue) |
hex-value |
Specifies a color using hexadecimal notation (e.g., #FF0000) |
rgb-value |
Specifies a color using RGB values |
transparent |
Sets the border color to transparent |
Example: Four Different Border Colors
The following example sets different colors for each of the four borders −
<!DOCTYPE html>
<html>
<head>
<style>
p {
border-style: solid;
border-width: 5px;
border-color: #808000 #800000 #FF0000 #FFFF00;
padding: 20px;
margin: 20px;
font-family: Arial, sans-serif;
}
</style>
</head>
<body>
<p>This paragraph has four different colored borders: olive (top), maroon (right), red (bottom), and yellow (left).</p>
</body>
</html>
A paragraph appears with four different colored borders: olive green on top, maroon on the right, red on the bottom, and yellow on the left.
Example: Single Border Color
You can also apply the same color to all four borders by specifying a single value −
<!DOCTYPE html>
<html>
<head>
<style>
.single-color {
border-style: solid;
border-width: 3px;
border-color: #4CAF50;
padding: 15px;
margin: 20px;
background-color: #f9f9f9;
}
</style>
</head>
<body>
<div class="single-color">This div has a uniform green border on all sides.</div>
</body>
</html>
A light gray box with a solid green border (3px width) on all four sides containing the specified text.
Conclusion
The border-color property provides flexible control over border colors. Use one value for uniform colors or four values to create unique color combinations for each side.
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