Custom global components not applying style in Nuxt Js

I have built some components such as buttons and I want to use and reuse just about everywhere in my site.

I have already create plugins

Object.entries(components).forEach((([name, component]) => {
  Vue.component(name, component)
}))

and registered in nuxt.config

plugins [
'@/plugins/components'
]

<style lang="scss">
  .btn__container {
    border-radius: '5px';
    border: '1px solid red';
    background-color: 'red';
  }
</style>

but then when i call the component it doesnt apply the style

<v-button>button</v-button>

i am trying to inspect my custom button element and it got strikethrough i dunno why
enter image description here