Grenslyn as strepies in CSS

Om 'n grenslyn as strepies in te stel, word die waarde dashed gebruik:

html<div id="elem"></div>

css#elem {
  border-width: 1px;
  border-style: dashed;
  border-color: black;
  width: 300px;
  height: 100px;
}

Результат: