<ion-select-optionv-for="option of options":key="option.value":value="option.value"class="mob-select-text">{{option.text}}</ion-select-option>
<divclass = "theme">
</ion-select>
<div@click="themeChange(item.value)"v-for="item in options":key="item.value"class="theme_item":style="{background:item.background,color:item.color}">{{item.text}}</div>