*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;	/* gör att margin etc ikluderas i W&H */
}
.logo{
	margin: 50px;
	height: 50px;
	width: auto;
}
section {
	width: 100%;
	display: flex;
	flex-flow: row wrap;
	margin: 0 auto;		/*	centrerar en box	*/
	margin-top: 50px;
	justify-content: center;
}
#img{
	height: 50px;
	width: 50px;
	display: block;
	margin: 0 auto;
	background-size: cover;
}
button{
	display: block;
	margin-top: 30px;
	width: 100px;
	height: 50px;
	font-size: 14px;
	border: 4px double;
	border-radius: 20px;
	background: black;
	color: white;
}
#btn4{
	margin-left: 50px;
}
#problema{
	margin-top: 30px;
}
p{
	text-align: center;
	font-size: 18px;
	color: black;
}
#solucion{
	display: block;
	margin: 0 auto;
	margin-top: 30px;
	text-align: center;
}
footer{
	text-align: center;
	margin: 50px;
}
h1{
	text-align: center;
	margin-top: 15px;
}
h2, h3{
	text-align: center;
}
canvas{
	margin: .2em;
	border: 1px dotted black;
}
.btnbox{
	display: flex;
	justify-content: center;
}