JSFiddle - React, Tailwind, and code Playground

HTML

<div id="dropzone-highlight">
    <div id="overlay"></div>
    
    <div id="dropzone" class="zone">
        <div id="drag-n-drop">
            <div class="text1">this is some text</div>
            <div class="text2">this is a container with text and images</div>
        </div>
    </div>
</div>

<h2 draggable="true">Drag me</h2>

CSS

#dropzone {
    padding: 0px !important;
}
#dropzone-highlight {
    border: 4px solid #DBDBDB;
    overflow: auto;
    position: relative;
}

#overlay {
    z-index: 2;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

#drag-n-drop {
    width: 100px;
    margin: auto;
    padding: 8px 0px;
    position: relative;
}
.dnd-hover {
    border: 4px solid #97e800 !important;
}
.zone {
    background-color: #DBDBDB;
    border-top: 1px solid #F8F8F8;
    border-bottom: 1px solid #BABABA;
    min-height: 100px;
    width: 100%;
    padding: 16px 0px;
    display: block;
    position: relative;
    overflow: hidden;
}

.text1 {
    
    width: 100px;
    border: 1px solid magenta;
}
.text2 {
    
    width: 200px;
    border: 1px solid red;
    position: relative;
    left: -50px;
}

JavaScript

$(document).ready(function() {
    var dropzone = $('#overlay');

    dropzone.on('dragenter', function(event) {
        $('#dropzone-highlight').addClass('dnd-hover');
    });

    dropzone.on('dragleave', function(event) {
        $('#dropzone-highlight').removeClass('dnd-hover');
    });

});