#header_box {
	display: flex;
    flex-direction: row-reverse;
}
#user_agreement {
	margin: 0px 40px;
    padding: 30px;
	text-align: justify;
	font-size: 1.2em;
}
#user_agreement #to_main_page {
	text-align: center;
	font-size: 80%;
	font-style: italic;
}
#user_agreement h2 {
	text-align: center;
}
#user_agreement h3 {
	font-size: 1.3em;
}