| Property | Description | Values |
|---|---|---|
| outline | Sets all the outline properties in one declaration | outline-color outline-style outline-width inherit |
| outline-color | Sets the color of an outline | color_name hex_number rgb_number invert inherit |
| outline-style | Sets the style of an outline | none dotted dashed solid double groove ridge inset outset inherit |
| outline-width | Sets the width of an outline | thin medium thick length inherit |
