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<html><head><style>div.ex1 { border-style: solid; border-color: #0000ff;}div.ex2 { border-style: solid; border-color: #ff0000 #0000ff;}div.ex3 { border-style: solid; border-color: #ff0000 #00ff00 #0000ff;}div.ex4 { border-style: solid; border-color: #ff0000 #00ff00 #0000ff rgb(250,0,255);}</style></head><body><div class="ex1">One-colored border!</div><br><div class="ex2">Two-colored border!</div><br><div class="ex3">Three-colored border!</div><br><div class="ex4">Four-colored border!</div><p><strong>Note:</strong> The border-color property does not work if it is used alone. Use the border-style property to set the border first.</p></body></html>