body {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.main {
	flex: 1;
}
@media (max-width:1000px) {
	.main{
		margin: 55px auto 0;
	}
}
@media (min-width:1000px) {
	.list1 {
		justify-content: flex-start;
	}
	.l1-box{
		margin-right: 22px;
	}
	
	.l1-box:nth-of-type(7n) {
		margin-right: 0px;
	}
}