Sets `font-weight` on `.breadcrumb-item`.

Sets `text-transform` on `.breadcrumb-link` and `.breadcrumb-item > span`.

Sets the SVG icon to use as the breadcrumb divider. The value should be entered as `clay-icon(LEXICON_ICON_NAME, COLOR)` or using `clay-svg-url(THE_SVG)`. Set this to `false` and use `breadcrumb-divider` to use a character as the divider.

The character to use as the breadcrumb divider, must be wrapped in double quotes. Set `breadcrumb-divider-svg-icon to `false` before applying this.