JSFiddle - React, Tailwind, and code Playground

HTML

<div class="desk_box_hor" id="desk_G13" data-rel="255" style="left:630px;top:353px;">G13</div>
<div class="desk_box_hor" id="desk_G18" data-rel="256" style="left:524px;top:310px;">G18</div>
<div class="desk_box_hor" id="desk_G16" data-rel="257" style="left:577px;top:310px;">G16</div>
<div class="desk_box_hor" id="desk_G14" data-rel="258" style="left:630px;top:310px;">G14</div>
<div class="desk_box_ver" id="desk_F12" data-rel="259" style="left:776px;top:583px;">F12</div>
<div class="desk_box_ver" id="desk_F11" data-rel="260" style="left:825px;top:583px;">F11</div>
<div class="desk_box_ver" id="desk_F14" data-rel="261" style="left:776px;top:518px;">F14</div>
<div class="desk_box_ver" id="desk_F13" data-rel="262" style="left:825px;top:518px;">F13</div>
<div class="desk_box_ver" id="desk_F16" data-rel="263" style="left:776px;top:453px;">F16</div>
<div class="desk_box_ver" id="desk_F15" data-rel="264" style="left:825px;top:453px;">F15</div>
<div class="desk_box_hor" id="desk_F03" data-rel="265" style="left:915px;top:603px;">F03</div>
<div class="desk_box_hor" id="desk_F01" data-rel="266" style="left:968px;top:603px;">F01</div>
<div class="desk_box_hor" id="desk_F04" data-rel="267" style="left:915px;top:558px;">F04</div>
<div class="desk_box_hor" id="desk_F02" data-rel="268" style="left:968px;top:558px;">F02</div>
<div class="desk_box_hor" id="desk_F09" data-rel="269" style="left:915px;top:497px;">F09</div>
<div class="desk_box_hor" id="desk_F07" data-rel="270" style="left:968px;top:497px;">F07</div>
<div class="desk_box_hor" id="desk_F05" data-rel="271" style="left:1021px;top:497px;">F05</div>
<div class="desk_box_hor" id="desk_F08" data-rel="272" style="left:968px;top:452px;">F08</div>
<div class="desk_box_hor" id="desk_F10" data-rel="273" style="left:915px;top:452px;">F10</div>
<div class="desk_box_hor" id="desk_F06" data-rel="274" style="left:1021px;top:452px;">F06</div>
<div class="desk_box_ver" id="desk_J12" data-rel="275"...

CSS

/* desk boxes*/
.desk_box_ver{ 
	width: 18px;
	height: 33px;
}	

.desk_box_hor{ 
	width: 23px;
	height: 10px;
}	

.desk_box_hor, .desk_box_ver { 
	position: absolute; 
	border: 4px solid black; 
	padding:10px;
}