como usar :class vue js code example
Example 1: vue inline style bind
<div v-bind:style="{ color: activeColor, fontSize: fontSize + 'px' }"></div>
Example 2: vue class binding
<div v-bind:class="{ active: isActive }"></div>
<div v-bind:style="{ color: activeColor, fontSize: fontSize + 'px' }"></div>
<div v-bind:class="{ active: isActive }"></div>