BS4 tidak ada perbatasan
<!-- Subtractive -->
<!-- Removes all borders -->
<span class="border-0"></span>
<!-- Removes border at given direction -->
<span class="border-top-0"></span>
<span class="border-right-0"></span>
<span class="border-bottom-0"></span>
<span class="border-left-0"></span>
2Bowls