#appCont {
	text-align: center;
}
#probContainer {
	border: 4px solid #000;
	border-radius: 10px;
	background-color: #ECF0F1;
	width: 45%;
	min-width: 400px;
	margin: 1% auto;
	padding: 1%;
	transition: all .2s linear;
}

#answerDiv, #methodDiv {
	display: inline-block;
	margin-top: 1%;
}
#answerContainer, #showTheAnswer, #methodContainer, #showTheMethod {
	background-color: #3498DB;
	color: #fff;
	margin: 0 auto;
	border-radius: 10px;
	border: 2px solid #000;
	padding: 0 10px;
	display: inline-block;
}

#categoryContainer {
	margin: 0 auto 10px;
    max-width: 540px;
}
.cat_button {
	display: inline-block;
	margin: 3px;
	padding: 0 5px;
	border: 2px solid #000;
	border-radius: 10px;
}

.active_cat {
	color: #fff;
	background-color: #3498DB;
    transition: background-color 200ms linear;
}

#numberChooser {
	display: inline-block;
	padding: 0 5px;
	border: 2px solid #000;
	border-radius: 10px;
	margin: 5px 10px;
}

.button {
	cursor: pointer;
}