Select Option White Block

You can use ng-init

<select ng-model="mySelect" ng-change="showSelectValue(mySelect)" ng-init="mySelect = '36'" >
    <option value="36">36</option>
    <option value="37">37</option>
    <option value="38">38</option>
    <option value="39">39</option>
    <option value="40">40</option>
</select>

Very Very Thank You!!!