#SystemMessage{
	position: absolute;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	padding: 10px;
	top: 15px;
	left: 375px;
	width: 500px;
	height: 150px;
	background-color: #EEEEEE;
	border: 2px solid #990000;
	border-radius: 5px;
}

#AddRemoveButton{
	position: absolute;
	left: 25px;
	top: 0px;
	height: 100px;
	width: 100px;

}

#AllButtons{
	position: absolute;
	top: 200px;
	left: 375px;
	width: 525px;
	height: 250px;
}

#ZeroButton{
	position: absolute;
	left: 20px;
	top: 25px;
}

#OneButton{
	position: absolute;
	left: 90px;
	top: 25px;
}

#TwoButton{
	position: absolute;
	left: 160px;
	top: 25px;
}

#ThreeButton{
	position: absolute;
	left: 230px;
	top: 25px;
}

#FourButton{
	position: absolute;
	left: 300px;
	top: 25px;
}

#FiveButton{
	position: absolute;
	left: 20px;
	top: 100px;
}

#SixButton{
	position: absolute;
	left: 90px;
	top: 100px;
}

#SevenButton{
	position: absolute;
	left: 160px;
	top: 100px;
}

#EightButton{
	position: absolute;
	left: 230px;
	top: 100px;
}

#NineButton{
	position: absolute;
	left: 300px;
	top: 100px;
}

#EnterButton{
	position: absolute;
	left: 375px;
	top: 75px;
	height: 40px;
	width: 150px;
	font-family:Georgia, "Times New Roman", Times, serif;
	font-size:32px;
	color:#990000;
	text-align: center;
}

#HunsButton{
	position: absolute;
	left: 225px;
	top: 200px;
}

#TensButton{
	position: absolute;
	left: 285px;
	top: 200px;
}

#OnesButton{
	position: absolute;
	left: 335px;
	top: 200px;
}

.NumberButton{
	height: 50px;
	width: 50px;
	text-align: center;
	font-family:Georgia, "Times New Roman", Times, serif;
	font-size:36px;
	color:#990000;
	padding-top: 10px;
	background-color: #AAAAAA;
	border: 2px #990000 solid;
	border-radius: 10px;
}

.DisplayButton{
	height:  60px;
	width: 40px;
}

.InvisibleButton{

}