How to vertically align form-group label and text to middle in bootstrap? - 


<div class="form-group">     <label class="col-sm-2 control-label" style="vertical-align:middle">处理状态</label>     <div class="col-sm-10 form-control-static">{{text.status[complaint.status]}}     <button type="button" class="btn btn-sm btn-primary" ng-click="update()" style="margin-left:10px">处理完成</button>     </div> </div>

enter image description here

you can see text doesn't align correctly in middle because when there button, changes height of element on right, , left element doesn't align middle parent element.


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