border-style

A shorthand for setting the line style of all four borders at once. Without a style (like 'solid' or 'dashed'), borders are invisible by default.

It is documented as part of the CSS Backgrounds and Borders specification.

/* Usage Example */
.frame {
  /* top | right | bottom | left */
  border-style: solid dashed double none;
  border-width: 2px;
  border-color: #333;
}

/* Global values */
border-style: inherit;
border-style: initial;
border-style: revert;
border-style: revert-layer;
border-style: unset;
Widely available Since 2015 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2015.

1+
1+
1+
12+
Kinsta

Your first month is free

Managed WordPress hosting for faster sites.

Learn more

New CSS drops.

Join 600+ readers who've survived clearfix hacks.

ESC