h1 {
	margin-bottom:10px;
}
h2 {
	margin:40px 0px 40px 0;
}
h3 {
font-size: 14px;
font-weight: bold;
	margin:20px 0 0 0;
}
.ex1 {
font-size: 14px;
line-height: 20px;
}
.box1 {
margin-bottom: 70px;
}
.mb70 {
	text-align:center;
	margin-bottom:70px;
}
.mb50 {
	margin-bottom:50px;
}