<span class="ui-select-match">
  <span ng-repeat="$item in $select.selected">
    <button 
      class="btn btn-default btn-xs" 
      tabindex="-1" 
      ng-disabled="$select.disabled"
      ng-click="$select.activeMatchIndex = $index;"
      ng-class="{'btn-primary':$select.activeMatchIndex === $index}">
        <span class="close" ng-hide="$select.disabled" ng-click="$select.removeChoice($index)">&nbsp;&times;</span>
        <span transinject></span>
    </button>
  </span>
</span>
<span class="ui-select-match">
  <span ng-repeat="$item in $select.selected">
    <button 
      style="margin-right: 3px;"
      class="btn btn-default btn-xs" 
      tabindex="-1" 
      ng-disabled="$select.disabled"
      ng-click="$select.activeMatchIndex = $index;"
      ng-class="{'btn-primary':$select.activeMatchIndex === $index}">
        <span class="close" ng-hide="$select.disabled" ng-click="$select.removeChoice($index)">&nbsp;&times;</span>
        <span transinject></span>
    </button>
  </span>
</span>
Improve margins between buttons at bootstrap theme
Improve margins between buttons at bootstrap theme
