HTML/CSS/Box Model/border color
border-color: black
<source lang="html4strict">
<html> <head> <title>Box Model Basics</title> <style> body {font-size: 1.5em;} p {background-color: white;
text-align: center; border-color: black; border-style: solid;} </style>
</head> <body>
the <p> element.
second <p> element.
</body> </html>
</source>