input, button{
	max-width: 160px;
	margin: 5px 0;
}

.flex{
	display: -webkit-flex;
	display: -moz-flex;
	display: -ms-flex;
	display: -o-flex;
	display: flex;
	flex-wrap: wrap;
}

.rows{
	max-width: 500px;
}