Create navigation drawer in vue with bootstrap
Give a max-width to you b-nav "(100 / 12) * cols" in your case this is (100 / 12) * 2 = 16.667%
<b-col cols="2" class="pl-0"> <b-nav vertical class="bg-light border-right position-fixed" style="max-width=16.667%;"> <b-nav-item> This topic is way too long to be displayed correctly! </b-nav-item> </b-nav></b-col>