bootsrtap button gets sticked together :   When i put button on table it gets sticks together [![like this][1]][1]

    <tbody>
    	      <tr>
    	        <td>1</td>
    	        <td>New York</td>
    	        <td>755535</td>
    	        <td>The there is no difference:</td>
    	        <td>
    	        	<button type="button" class="btn btn-info btn-xs col-md-12 col-lg-12">Update</button> <br>
    				<button type="button" class="btn btn-danger btn-xs col-md-12 col-lg-12">Delete</button>
    	        </td>
    	      </tr>
    	    </tbody>

How can I put a space between this two button . br tag is not working
  [1]: https://i.stack.imgur.com/ESVxq.jpg