.section
{
	width: 50%;
	margin-left: auto;
	margin-right: auto;
	margin-bottom: 50px;
}

@media only screen and (max-width: 800px) 
{
	.section
	{
		width: 100%;
		margin-left: auto;
		margin-right: auto;
		margin-bottom: 50px;
	}
}