I'm trying to change the styles of a vuejs-datepicker (<https://www.npmjs.com/package/vuejs-datepicker>)

```
 <datepicker
   format="dd/MM/yyyy"
   calendar-class="my_calendar"
   input-class="textfield"
   name="my_date" />

```

In the styles section I define this rule, but my datepicker **doesn't change the width**

```
.my_calendar {
  width: 100px !important;
}

```

Any idea? Or other plugin for use a datepicker in vuejs?

Thanks