<div ng-style ="{'background-image': 'url(/images/food.png)', 'background-repeat': 'repeat-y'}">

<div class="form-group col-xs-offset-1">
  <label for="phno" style="font: 22px sans-serif;">Mobile No</label>
  <input type="tel" name="phno"
         id="phno"
         style="margin-left: 60px; width: 300px; margin-top: 50px; margin-bottom: 20px"
         class="phInput"
         ng-maxlength="10" ng-minlength="10"
         ng-model="csNumber" required />
</div>


<div class="form-actions">
  <button type="submit" ng-disabled="CSloginForm.$invalid"
          class="btn btn-primary btn-lg col-xs-offset-9"
          ng-click="csLookUp()"
          style="margin-bottom: 10px">Start</button>
</div>