.display_area {
    width: 100%;
    max-width: 1130px;
    margin: 10px auto;
    padding: 10px;
    background: rgba(0, 0, 0, 0.86);
    border-radius: 15px;
    color: white;
}
.article_preface {
	margin: 30px;
}
.article_preface p {
	line-height: 2;
}
.article_section {
	margin: 20px;
}
.article_section h3 {
	margin: 10px;
}
.article_section p {
	line-height: 2.3;
}
.article_entry {
	margin-left: 10px;
}
.article_entry p {
	line-height: 2;
}
.article_term {
	margin-left: 50px;
}
.article_term p {
	line-height: 1.5;
}
.article_subterm {
    margin-left: 50px;
}
.article_subterm p {
	line-height: 1.2;
}
.primary_line {
	text-align: left;
}
.support_line {
	text-align: left;
	text-indent: 6ch;
}