reduce gap between columns bootstrap code example
Example 1: bootstrap col no gaps
<div class="row no-gutters">
</div>
Example 2: Remove space between columns in Bootstrap 4
<div class="row">
<div class="col-md-2 padding-0">
//stuff here for this column
</div>
<div class="col-md-10 padding-0">
//stuff here for columns
</div>
</div>