the left Layout Drawer is just disappeared in mobile just shown below:

but ok in PC,both are chrome:

i’ve tried css way and class way(background) both in modal and layout ,neither works ,any one help?
(being inserted as a element is ok,but not i want)
thanks!

@sweetyy
it works,thank you!

it seems not work neither you try to set it by set content-css in Qmodal nor by set content-class in QModalLayout, not work in style setting too,always show complete white background
could any one help?thanks!
the template is shown as below:
<template>
<q-item v-close-overlay>
<q-item-main>
<q-btn label=“spider” @click=“maximizedModal = true”></q-btn>
<q-modal v-model=“maximizedModal” class=“bg-positive” maximized :content-css="{padding: ‘50px’}">
<q-modal-layout content-style="{fontWeight: ‘bold’}">
<div >please set date</div>
<q-datetime v-model=“date_start” inverted color=“yellow” type=“date” placeholder=“start date”/>
<q-btn color=“tertiary” @click=“maximizedModal = false” label=“Close” />
<p>start</p>
</q-modal-layout>
</q-modal>
</q-item-main>
</q-item>
</template>