Bootstrap/site/content/docs/4.6/utilities/borders.md

layout	title	description	group	aliases	toc
docs	Borders	Use border utilities to quickly style the border and border-radius of an element. Great for images, buttons, or any other element.	utilities	/docs/4.6/utilities/	true

Border

Use border utilities to add or remove an element's borders. Choose from all borders or one at a time.

Additive

{{< example class="bd-example-border-utils">}} {{< /example >}}

Subtractive

{{< example class="bd-example-border-utils bd-example-border-utils-0" >}} {{< /example >}}

Border color

Change the border color using utilities built on our theme colors.

{{< example class="bd-example-border-utils" >}} {{< border.inline >}} {{- range (index $.Site.Data "theme-colors") }} {{- end -}} {{< /border.inline >}} {{< /example >}}

Border-radius

Add classes to an element to easily round its corners.

{{< example>}} {{< placeholder width="75" height="75" class="rounded" title="Example rounded image" >}} {{< placeholder width="75" height="75" class="rounded-top" title="Example top rounded image" >}} {{< placeholder width="75" height="75" class="rounded-right" title="Example right rounded image" >}} {{< placeholder width="75" height="75" class="rounded-bottom" title="Example bottom rounded image" >}} {{< placeholder width="75" height="75" class="rounded-left" title="Example left rounded image" >}} {{< placeholder width="75" height="75" class="rounded-circle" title="Completely round image" >}} {{< placeholder width="150" height="75" class="rounded-pill" title="Rounded pill image" >}} {{< placeholder width="75" height="75" class="rounded-0" title="Example non-rounded image (overrides rounding applied elsewhere)" >}} {{< /example >}}

Sizes

Use .rounded-lg or .rounded-sm for larger or smaller border-radius.

{{< example >}} {{< placeholder width="75" height="75" class="rounded-sm" title="Example small rounded image" >}} {{< placeholder width="75" height="75" class="rounded-lg" title="Example large rounded image" >}} {{< /example >}}