grafana/public/app/partials/valueSelectDropdown.html

<div class="variable-link-wrapper">
	<a
    ng-click="vm.show()"
    class="variable-value-link"
    aria-label="Dashboard template variables Variable Value DropDown value link"
  >
		{{vm.linkText}}
		<span ng-repeat="tag in vm.selectedTags" bs-tooltip='tag.valuesText' data-placement="bottom">
			<span class="label-tag"tag-color-from-name="tag.text">
				&nbsp;&nbsp;<i class="fa fa-tag"></i>&nbsp;
				{{tag.text}}
			</span>
		</span>
		<i class="fa fa-caret-down" style="font-size:12px"></i>
	</a>

	<input type="text" class="gf-form-input" style="display: none" ng-keydown="vm.keyDown($event)" ng-model="vm.search.query" ng-change="vm.debouncedQueryChanged()" ></input>

	<div
    class="variable-value-dropdown"
    ng-if="vm.dropdownVisible"
    ng-class="{'multi': vm.variable.multi, 'single': !vm.variable.multi}"
    aria-label="Dashboard template variables Variable Value DropDown DropDown"
  >
		<div class="variable-options-wrapper">
			<div class="variable-options-column">
				<a
          class="variable-options-column-header"
          ng-if="vm.variable.multi"
          ng-class="{'many-selected': vm.selectedValues.length > 1}"
          bs-tooltip="'Clear selections'"
          data-placement="top"
          ng-click="vm.clearSelections()"
          aria-label="Dashboard template variables Variable Value DropDown Selected link"
        >
					<span class="variable-option-icon"></span>
					Selected ({{vm.selectedValues.length}})
				</a>
				<a
          class="variable-option pointer"
          ng-repeat="option in vm.search.options"
          ng-class="{'selected': option.selected, 'highlighted': $index === vm.highlightIndex}"
          ng-click="vm.selectValue(option, $event)"
        >
					<span class="variable-option-icon"></span>
					<span aria-label="Dashboard template variables Variable Value DropDown option text">{{option.text}}</span>
				</a>
			</div>
			<div class="variable-options-column" ng-if="vm.tags.length">
				<div class="variable-options-column-header text-center">
					Tags
				</div>
				<a class="variable-option-tag pointer" ng-repeat="tag in vm.tags" ng-click="vm.selectTag(tag, $event)" ng-class="{'selected': tag.selected}">
					<span class="fa fa-fw variable-option-icon"></span>
					<span class="label-tag" tag-color-from-name="tag.text">{{tag.text}}&nbsp;&nbsp;<i class="fa fa-tag"></i>&nbsp;</span>
				</a>
			</div>
		</div>
	</div>
</div>