JSFiddle - React, Tailwind, and code Playground

HTML

<div id="geogPickerAddressResultContainer" style="max-height:150px;overflow:auto;position:relative">
    <ul id="addressPicker" class="nav nav-pills nav-stacked addressPicker">
        <li><a href="javascript:void(0);" data-uprn="10013011133" data-x="358719" data-y="89043">Church Walk, Access To Foxholes Farm, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011126" data-x="358502" data-y="89080">Garden Cottage, Access To Foxholes Farm, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011128" data-x="358661" data-y="89012">Little Bride, Access To Foxholes Farm, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011134" data-x="358762" data-y="89058">Old Parsonage, Access To Foxholes Farm, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011149" data-x="358858" data-y="89070">Old School House, Whatcombe House To Longlands Lane, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="200000763462" data-x="358273" data-y="89671">Pitcombe Gate House, Whatcombe House To Longlands Lane, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011761" data-x="358232" data-y="89641">The Annexe, Pitcombe, Whatcombe House To Longlands Lane, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011148" data-x="358232" data-y="89641">Pitcombe, Whatcombe House To Longlands Lane, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011764" data-x="358669" data-y="89156">West Lodge, Whatcombe House To Longlands Lane, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011764" data-x="358669" data-y="89156">West Lodge, Whatcombe House To Longlands Lane, DT2 9HG</a>
        </li>
        <li><a href="javascript:void(0);" data-uprn="10013011764" data-x="358669" data-y="89156">West Lodge, Whatcombe House...

CSS

#overlayDiv{
    background-color: white;
    position: absolute;
    top: 0px;
    opacity: 0.8;
    height: 100%;
    width:100%    

}

JavaScript

$.each($('#addressPicker li'), function (i, addr) {
        $(addr).click(function () {
            $('#overlayDiv').show();
        });
    });

$('#hideMe').click(function(){
       $('#overlayDiv').hide(); 
});