blog-ruoyi/blog-web-static/lib/fontawesome-free/scss/_bordered.scss

//  bordered icons
// -------------------------
@use 'variables' as v;

/* Heads Up: Bordered Icons will not be supported in the future!
  - This feature will be deprecated in the next major release of Font Awesome (v8)!
  - You may continue to use it in this version *v7), but it will not be supported in Font Awesome v8.
*/

/* Notes:
* --@{v.$css-prefix}-border-width = 1/16 by default (to render as ~1px based on a 16px default font-size)
* --@{v.$css-prefix}-border-padding =
  ** 3/16 for vertical padding (to give ~2px of vertical whitespace around an icon considering it's vertical alignment)
  ** 4/16 for horizontal padding (to give ~4px of horizontal whitespace around an icon)
*/

.#{v.$css-prefix}-border {
  border-color: var(--#{v.$css-prefix}-border-color, #{v.$border-color});
  border-radius: var(--#{v.$css-prefix}-border-radius, #{v.$border-radius});
  border-style: var(--#{v.$css-prefix}-border-style, #{v.$border-style});
  border-width: var(--#{v.$css-prefix}-border-width, #{v.$border-width});
  box-sizing: var(--#{v.$css-prefix}-border-box-sizing, #{v.$border-box-sizing});
  padding: var(--#{v.$css-prefix}-border-padding, #{v.$border-padding});
}