CSS Outline Property

The CSS outline property is line drawed outside the element’s border

Be careful: Outline differs from borders! Unlike border, the outline is drawn outside the element’s border, and may overlap other content. Also, the outline is NOT a part of the element’s dimensions; the element’s total width and height is not affected by the width of the outline.

Values

<'outline-color'> Sets the color of the outline. Defaults to currentcolor if absent.
<'outline-style'> Sets the style of the outline. Defaults to none if absent.
<'outline-width'> Sets the thickness of the outline. Defaults to medium if absent.

CSS Outline Style

The outline-style property specifies the style of the outline, and can have one of the following values:

• dotted – Defines a dotted outline
• dashed – Defines a dashed outline
• solid – Defines a solid outline
• double – Defines a double outline
• groove – Defines a 3D grooved outline
• ridge – Defines a 3D ridged outline
• inset – Defines a 3D inset outline
• outset – Defines a 3D outset outline
• none – Defines no outline
• hidden – Defines a hidden outline

Check it out how it looks each style:

See the Pen Outline styles by Carles Rider (@carlesrider) on CodePen.

And try to play with our generator:

Outline generator