#hintButton, #hintButton:active {
	top: -43px;
	left: 0;
}

#MDBox2 {
	min-height: 273px;
}

#MDBox4 label {
	margin-top: 4px;
}

#MDBox4 .close {
	opacity: 1;
	border: 2px outset #ccc;
	float: none;
	padding: 4px;
}

#divProblemCategory button {
	border: 0;
	font-size: 22px;
	font-weight: bold;
	line-height: 21px;
	height: 59px;
	float: left;
	margin: 5px;
	width: calc(50% - 10px);
   border-color: #aaaaaa;
	/* border: 2px solid #000; */
   outline: 0;
}

#btnWhole {
	background: #f0c9c8;
}

#btnFraction {
	/* background: #ff0a0a; */
	background: #ff7070;
}

#btnDecimal {
	background: #fffd00;
}

button#btnNumberMix{
	background: #04fd00;
	font-size: 16px;
}

#btnMoney {
	/* background: #848cff; */
	background: #87baff;
}

#btnLength {
	background: #ffc8ff;
}

#divProblemCategory {
	top: 43px;
	height: auto;
	/* border: 3px solid red; */
}

.click-problem-type {
	font: bold 22pt 'Comic Sans MS';
	color: #0f22ff;
	position: absolute;
	top: 7px;
	right: 0;
	font-size: 24px;
	width: 270px;
	text-align: center;
}