border-top-width
Specifies the thickness of the physical top border. It's often used for decorative 'top-border' highlights on layout components.
It is documented as part of the CSS Backgrounds and Borders specification.
Syntax
/* Usage Example */
.top-bar {
/* Adds a thick top bar */
border-top-width: 8px;
border-top-style: solid;
border-top-color: #ec4899;
}
/* Global values */
border-top-width: inherit;
border-top-width: initial;
border-top-width: revert;
border-top-width: revert-layer;
border-top-width: unset;border-top-width Browser support
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+
Your first month is free
Managed WordPress hosting for faster sites.
Learn more