ion-select-element.html

<style>
    #ionSelectModalContent .item-input {
        padding: 16px;
    }
    
    #ionSelectModalContent .button {
        width: 40px;
    }
    
    #ionSelectModalContent .item-stacked-label .input-label,
    .item-stacked-label .icon {
        display: inline-block;
        padding: 4px 0 0 0px;
        vertical-align: initial;
    }
</style>
<div id="ionSelectModalContent" ng-click="openPopup()">
    <label class="item item-input item-stacked-label">
        <span class="input-label">{{label}}</span>
        <div class="item item-input-inset">
            <label class="item-input-wrapper"><i class="icon ion-search placeholder-icon"></i>
                <input type="text" ng-disabled="true" ng-model="ngModel" />
            </label>
            <button class="button button-small icon ion-close-circled" ng-disabled="!ngModel" ng-mousedown="resetInput()"></button>
        </div>
    </label>
</div>