<html>
   <head>
      <style type = "text/css">
         p.example1 {
            border:1px solid;
            border-bottom-color:#009900; /* Green */
            border-top-color:#FF0000;    /* Red */
            border-left-color:#330000;   /* Black */
            border-right-color:#0000CC;  /* Blue */
         }
         p.example2 {
            border:1px solid;
            border-color:#009900;        /* Green */
         }
      </style>
   </head>

   <body>
      <p class = "example1">
         This example is showing all borders in different colors.
      </p>
      
      <p class = "example2">
         This example is showing all borders in green color only.
      </p>
   </body>
</html>

External CSS

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External JavaScript

This Pen doesn't use any external JavaScript resources.