<template>
    <div class="test">
        {{message}}

        <div class="test2"></div>
    </div>
</template>

<script>
    module.exports = {
        data: function() {
            return {
                message: 'test'
            }
        }
    }
</script>

<style>
    .test {
        color: green;

        .test2 {
            background: #000;
            display: flex;
        }
    }
</style>