CSS border-top property example at PNLdev

Run

<!DOCTYPE html>
<html>
<head>
<style>
    h1 {
      border-top: 5px solid red;
}
    h2 {
      border-top: 4px dotted blue;
}
    div {
      border-top: double;
}
</style>
</head>
<body>
    <h1>border-top property example</h1>
    <h2>A heading with a dotted blue top border</h2>
    <div>A div element with a double top border.</div>
</body>
</html>