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HTML 

              
                <div class="body-wrapper">
	<div class="map">
		<div class="map-wrapper">
	<div class="map-bg">
		<img src="https://i.ibb.co/tBZf9tN/Floor9.jpg" alt="Floor9" width="600px">
	</div>
	<div class="svg-wrapper-arvon" data-balloon="Arvon" data-balloon-pos="right">
		<svg width="65" height="74" id="arvon" >
			<rect x="0" y="0" width="80" height="80"
  id="svg-arvon" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-brass" data-balloon="Brasstown" data-balloon-pos="up">
		<svg width="50" height="37" id="brass">
			<rect x="0" y="0" width="50" height="50"
  id="svg-brass" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-brit" data-balloon="Britton" data-balloon-pos="up">
		<svg width="28" height="37" id="brit">
			<rect x="0" y="0" width="50" height="50"
  id="svg-brit" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-camp" data-balloon="Campbell" data-balloon-pos="up">
		<svg width="28" height="37" id="brit">
			<rect x="0" y="0" width="50" height="50"
  id="svg-camp" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-charles" data-balloon="Charles" data-balloon-pos="up">
		<svg width="30" height="37" id="brit">
			<rect x="0" y="0" width="50" height="50"
  id="svg-charles" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-davis" data-balloon="Davis" data-balloon-pos="left">
		<svg width="32" height="26" id="brit">
			<rect x="0" y="0" width="50" height="50"
  id="svg-davis" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-well" data-balloon="Wellness Room" data-balloon-pos="up">
		<svg width="28" height="42" id="brit">
			<rect x="0" y="0" width="50" height="50"
  id="svg-well" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-fris" data-balloon="Frissell" data-balloon-pos="down">
		<svg width="25" height="22" id="brit">
			<rect x="0" y="0" width="50" height="50"
  id="svg-fris" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-grey" data-balloon="Greylock" data-balloon-pos="up">
		<svg width="25" height="20" id="brit">
			<rect x="0" y="0" width="50" height="50"
  id="svg-grey" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-guad" data-balloon="Guadalupe" data-balloon-pos="up">
		<svg width="50" height="42" id="brit">
			<rect x="0" y="0" width="50" height="50"
  id="svg-guad" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-high" data-balloon="High Point" data-balloon-pos="up">
		<svg width="65" height="42" id="high">
			<rect x="0" y="0" width="53" height="50" id="svg-high" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-jeri" data-balloon="Jerimoth" data-balloon-pos="up">
		<svg width="70" height="42" id="jeri">
			<rect x="0" y="0" width="59" height="50" id="svg-jeri" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-katahdin" data-balloon="Kahtahdin" data-balloon-pos="right">
		<svg width="70" height="34" id="katahdin">
			<rect x="0" y="0" width="35" height="50" id="svg-katahdin" class="free" />
		</svg>
	</div>

	<div class="svg-wrapper-mans" data-balloon="Mansfield" data-balloon-pos="right">
		<svg width="70" height="30" id="mans">
			<rect x="0" y="0" width="35" height="50" id="svg-mans" class="free" />
		</svg>
	</div>
	<div class="svg-wrapper-mitch" data-balloon="Mitchell" data-balloon-pos="right">
		<svg width="70" height="30" id="mitch">
			<rect x="0" y="0" width="35" height="50" id="svg-mitch" class="free" />
		</svg>
	</div>
		<div class="svg-wrapper-tims" data-balloon="Timms" data-balloon-pos="right">
		<svg width="70" height="30" id="tims">
			<rect x="0" y="0" width="35" height="50" id="svg-tims" class="free" />
		</svg>
	</div>
			<div class="svg-wrapper-wash" data-balloon="Washington" data-balloon-pos="up">
		<svg width="40" height="27" id="wash">
			<rect x="0" y="0" width="35" height="50" id="svg-wash" class="free" />
		</svg>
	</div>
				<div class="svg-wrapper-whit" data-balloon="Whitney" data-balloon-pos="up">
		<svg width="40" height="27" id="whit" data-tooltip="text">
			<rect x="0" y="0" width="35" height="50" id="svg-whit" class="free"/>
		</svg>
	</div>

</div>
	</div>
	<div class="right-info">
		<h4>Conference Room Free/Busy Simulator</h4>
		<p>
			This is an 'offline' version of a page that was created to display a visual representation of conference room availability in realtime. The 'live' version is a webapp built with Google App Script, and JS that lives on an internal web server. It requires a user with rights to view all resource calendars to authenticate over oauth to work with the Google Calendar API. 
		</p>
		<p>
			The offline version just runs through an array of random numbers on each refresh to simulate the changing availability of conference rooms from free -> busy and vice versa. 
		</p>
		<p>
			Clicking 'Refresh' below will refresh conference room availability and hovering over conference rooms will display their name. 
		</p>
		<button id="button-1" class="refresh-button">Refresh</button>
		
		<span class="credits">Tooltips are created using <a href="https://kazzkiq.github.io/balloon.css/">Ballon.css</a><br><a href="https://github.com/leblanck">Github</a>
	</div>
</div>
!

CSS 

              
                .body-wrapper {
	display: flex;
	flex-flow: row nowrap;
	padding-left: 25px;
	font-family: Helvetica, sans-serif
}

.right-info {
	width: 50%;
	margin-left: 25px;
	padding: 20px;
	display: flex;
	flex-flow: column;
	align-items: center;
	text-align: center;
	/*justify-content: center;*/
}

.credits {
	font-size: 60%;
	padding-top: 20px;
}

.credits a {
	text-decoration: underline;
	color: inherit;
}

.credits a:hover {
	
}


.refresh-button {
	padding: 10px;
	border: 2px solid #e684ae;
	background: #fff;
	border-radius: 5px;
	color: #e684ae;
	font-size: 120%;
	cursor: pointer;
}

.refresh-button:hover {
	background:  #fbeaf1;
}

.map-wrapper {
	position: relative;
}

.svg-wrapper-arvon {
	position: absolute;
	top: 17px;
  left: 295px;
	border: 1px solid #333;
	max-width: 80px;
	max-height: 75px;
}

.svg-wrapper-brass {
	position: absolute;
	top: 113px;
  left: 230px;
	border: 1px solid #333;
}

.svg-wrapper-brit {
	position: absolute;
	top: 113px;
  left: 184px;
	border: 1px solid #333;
}

.svg-wrapper-camp {
	position: absolute;
	top: 113px;
  left: 156px;
	border: 1px solid #333;
}

.svg-wrapper-charles {
	position: absolute;
	top: 113px;
  left: 126px;
	border: 1px solid #333;
}

.svg-wrapper-davis {
	position: absolute;
	top: 275px;
  left: 126px;
	border: 1px solid #333;
	max-width: 50px;
	max-height: 26px;
}

.svg-wrapper-well {
	position: absolute;
	top: 260px;
  left: 158px;
	border: 1px solid #333;
	max-width: 50px;
	max-height: 42px;
}

.svg-wrapper-fris {
	position: absolute;
	top: 282px;
  left: 188px;
	border: 1px solid #333;
	max-width: 53px;
	max-height: 22px;
}

.svg-wrapper-grey {
	position: absolute;
	top: 260px;
  left: 188px;
	border: 1px solid #333;
	max-width: 53px;
	max-height: 20px;
}


.svg-wrapper-guad {
	position: absolute;
	top: 260px;
  left: 230px;
	border: 1px solid #333;
	max-width: 53px;
	max-height: 42px;
}

.svg-wrapper-high {
	position: absolute;
	top: 260px;
  left: 322px;
	border: 1px solid #333;
	max-width: 53px;
	max-height: 42px;
}

.svg-wrapper-jeri {
	position: absolute;
	top: 260px;
  left: 418px;
	border: 1px solid #333;
	max-width: 60px;
	max-height: 42px;
}

.svg-wrapper-katahdin {
	position: absolute;
	top: 268px;
  left: 478px;
	border: 1px solid #333;
	max-width: 36px;
	max-height: 34px;
}

.svg-wrapper-mans {
	position: absolute;
	top: 235px;
  left: 478px;
	border: 1px solid #333;
	max-width: 36px;
	max-height: 30px;
}

.svg-wrapper-mitch {
	position: absolute;
	top: 202px;
	left: 478px;
	border: 1px solid #333;
	max-width: 36px;
	max-height: 30px;
}

.svg-wrapper-tims {
	position: absolute;
	top: 168px;
	left: 478px;
	border: 1px solid #333;
	max-width: 36px;
	max-height: 30px;
}

.svg-wrapper-wash {
	position: absolute;
	top: 108px;
	left: 482px;
	border: 1px solid #333;
	max-width: 35px;
	max-height: 27px;
}

.svg-wrapper-whit {
	position: absolute;
	top: 108px;
	left: 448px;
	border: 1px solid #333;
	max-width: 35px;
	max-height: 27px;
}






.free {
	fill: #59A96A;
	opacity: 0.8;
	transition: .8s ease-in-out;
}

.occupied {
	fill: #EE6352;
	opacity: 0.8;
	transition: .8s ease-in-out;
}
!

JS 

              
                //OFFLINE VERSION
function showRooms () {
	
var confRooms = ["arvon", "brass", "brit", "camp", "charles", "davis", "well", "fris", "grey", "guad", "high", "jeri", "katahdin", "mans", "mitch", "tims", "wash", "whit"];
var numbs = [];

for (var i = 0; i < confRooms.length; i++) {
	numbs.push(Math.round(Math.random() * 10))
}
	console.log("NUMBS " + numbs);
for (var r = 0; r < confRooms.length; r++) {
		var currentID = "svg-"+confRooms[r];
		var roomSVG = document.getElementById(currentID);

		if (numbs[r] > 5) {
			roomSVG.classList.toggle("occupied");
		} 
	}
}

const bttn = document.getElementById("button-1").addEventListener("click", showRooms);
//for each room
// for each random num
//		if num < 10
//			set free
//		else set occupied
!
999px

Console