vue bulma

vue create appname --preferably vue2

cd appname

npm install bulma buefy

create a main scss file with source './assets/scss/main.scss'

fill that file with the variables you want ,,, see bulma docs for example ,,,

import that file in your main.js file: import './assets/scss/main.scss'

you now have bulma in your website, now to add buefy

In your main.js file, add the following
import Buefy from 'buefy'
Vue.use(Buefy)