Element style not allowed as child of element div in this context for wp theme

Hello community !
Need help to fixing clean markup html thorugh W3C validator and i found few errors, there are difficult for me to fix. If we use any inbuilt theme builder then they bind css inside div for there element like slider,button,row elements.
Here is my code example

<div class="banner" id="banner-1632557527">
<div class="banner-inner fill">
<div class="banner-bg fill" >
<div class="bg fill bg-fill "></div>
<div class="banner-layers container">
<div class="text-inner text-left">
<strong>Lorem Ipsum is simply dummy text.</strong>
<style scope="scope">#banner-1632557527 {
padding-top: 480px;
#banner-1632557527 .bg.bg-loaded {
background-image: url(../xyz.jpg);
#banner-1632557527 .overlay {
background-color: rgba(0, 0, 0, 0.3);

if someone has an idea please share with me.

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