Update Bootstrap Vue to change the colors of the breadcrumbs

Struggling to customize the look of bootstrap-vue breadcrumbs? I've attempted various combinations of classes and styles in the breadcrumb and breadcrumb-item tags, but to no avail. Every time, I end up with blue or grey text on a light grey background.

  <b-breadcrumb style="nothing works" :items="crumbs">
    <b-breadcrumb-item class="nothing works" v-for="(item, i) in crumbs" :key="i" :to="item.to">{{item.text}}</b-breadcrumb-item>
  </b-breadcrumb>

My CSS skills are limited, but I believe there's a way to target specific elements in the generated html to adjust the style as needed.

cssbootstrap-4bootstrap-vue

Answer №1

<style>
  .breadcrumb-item a {
    color: red
  }
</style>
<style lang="scss" scoped>
  /* scoped/module (s)css */
</style>

... is functional as the breadcrumb colors are targeted by the a selector in Bootstrap 4.

It's worth noting that this styling cannot be scoped. The ::v-deep selector is no longer effective. To contain the styling within this component only, add a class to the top element and prefix your selectors with that class
(i.e: 

.my-component .breadcrumb-item a {...}
)

Additionally, styling cannot be directly applied at the markup level, as <b-breadcrumb> is essentially a placeholder that is replaced by actual bootstrap markup during runtime. The same goes for <b-breadcrumb-item>.

For reference, see the examples of the actual bootstrap breadcrumb markup. In BootstrapVue, the structure typically follows:

ol.breadcrumb > li.breadcrumb-item > a

...with the exception of the active (last) item, which is displayed as:

ol.breadcrumb > li.breadcrumb-item.active > span

For a comprehensive list of available breadcrumb item properties in BootstrapVue.

Answer №2

To potentially solve this issue, consider utilizing the !important tag at the end of your style rules. Check out this resource for more information: https://css-tricks.com/when-using-important-is-the-right-choice/

Another approach could be to style the element directly like so:

b-breadcrumb-item {
  color: red;
}

If your styles are not being applied during app building, it might be due to not loading them properly. To address this, you could implement a CSS loader:

Check out these resources for more insights:

I've included some links for further reading on this topic.

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