*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;	/* gör att margin etc ikluderas i W&H */
}
.logo{
	margin: 50px;
	height: 50px;
	width: auto;
}
h1, h2, h3{
	text-align: center;
}
.home{
	text-align: center;
	cursor: pointer;
}
span{
	color: red;
}
.wrapper{
	display: flex;
	flex-flow: column;
	align-items: center;
}
.grid-top{
	display: grid;
	grid-template-columns: 410px 30px 210px;
	grid-template-rows: 240px 60px;
	justify-content: center;
	border:1px solid gray;
	border-radius: 10px;
	padding: 20px;
	margin-top: 50px;
	margin-bottom: 50px;
	box-shadow: 8px 8px 2px 1px rgba(0, 0, 255, .2);
}
.grid-top p{
	display: block;
	align-self: center;
	font-size: 38px:
	color: black;
	text-align: center;
}
.factor{
	display: flex;
	align-items: center;
	height: 220px;
	width: 410px;
	border:1px solid black;
}
.board{
	display: flex;
	flex-flow: row wrap;
	align-items: flex-end;
	height: 210px;
	width: 210px;
	border:1px dotted gray;
}
div[data-selected=true]{
	border: 1px solid red;	
}
.board div:first-child{
	margin-left: 5px;
}
.numeral{
	display: flex;
	height: 70px;
	width: 210px;
	justify-content: center;
	align-items: center;
	background: #e4f0f5;
	user-select: none;
}
.grid-down{
	display: grid;
	grid-template-columns: 400px 220px;
	grid-template-rows: 150px 70px auto;
}
.problem-body{
	display: flex;
	align-items: center;
	justify-content: center;
}
.answer{
	height: 36px;
	width: 36px;
	background-image: url(../images/ok.png);
	background-size: cover;
	visibility: hidden;
}
.solution{
	background-image: url(../images/reverse.png);
	height: 36px;
	width: 36px;
	background-size: cover;
	cursor: pointer;
	visibility: hidden;
}
.button{
	width: 100px;
	height: 50px;
	font-size: 14px;
	border: 4px double;
	border-radius: 20px;
	background: skyblue;
	color: white;
	margin-left: 20px;
	margin-right: 20px;
	visibility: hidden;
}
.problem-foot{
	width: 100%;
	height: 250px;
	margin-top: 20px;
}
.box{
	display: grid;
	grid-template-columns: repeat(11, 20px);
	grid-template-rows: repeat(5, 20px);
	cursor: pointer;
}
.regleta{
	border: 1px solid gray;
	margin-bottom: 5px;
	cursor: pointer;
}
.box > div{
	border: 1px solid black;
	text-align: center;
}
.box div[data-nr='6']{
	grid-column: 1/ span 6;
	background-color: purple;
	color: white;
}
.box div[data-nr='4']{
	grid-column: 7/ span 4;
	background-color: red;
}
.box div[data-nr='7']{
	grid-column: 1/ span 7;
	background-color: black;
	color: white;
}
.box div[data-nr='3']{
	grid-column: 8/ span 3;
	background-color: lightblue;
}
.box div[data-nr='8']{
	grid-column: 1/ span 8;
	background-color: brown;
	color: white;
}
.box div[data-nr='2']{
	grid-column: 9/ span 2;
	background-color: pink;
}
.box div[data-nr='9']{
	grid-column: 1/ span 9;
	background-color: steelblue;
	color: white;
}
.box div[data-nr='1']{
	grid-column: 10/ span 1;
	background-color: ivory;
}
.box div[data-nr='10']{
	grid-column: 1/ span 10;
	background-color: limegreen;
	color: white;
}
.box div[data-nr='5']{
	grid-row: 1/ span 5;
	grid-column: 11/ span 1;
	background-color: yellow;
}
.group{
	display: flex;
	flex-flow: row nowrap;
	align-items: center;
	justify-content: center;
	visibility: hidden;
}
.decrease{
	width: 24px;
	height: 24px;
	background-image:url(../images/arrow-l.png);
	background-size: cover;
	margin: 10px;
}
.img{
	width: 40px;
	height: 40px;
	background-image:url(../images/group.png);
	background-size: cover;
}
.increase{
	width: 24px;
	height: 24px;
	background-image:url(../images/arrow-r.png);
	background-size: cover;
	margin: 10px;
}
footer{
	text-align: center;
	margin: 50px;
}