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<html><head><style>p.ex1 { border: 1px solid black; outline-style: solid; outline-color: red; outline-width: thin;}p.ex2 { border: 1px solid black; outline-style: solid; outline-color: red; outline-width: medium;}p.ex3 { border: 1px solid black; outline-style: solid; outline-color: red; outline-width: thick;}p.ex4 { border: 1px solid black; outline-style: solid; outline-color: red; outline-width: 4px;}</style></head><body><h2>The outline-width Property</h2><p class="ex1">A thin outline.</p><p class="ex2">A medium outline.</p><p class="ex3">A thick outline.</p><p class="ex4">A 4px thick outline.</p></body></html>