/* OOUIHTMLForm styles */
.mw-htmlform-ooui {
+ line-height: 1.4; // Override MediaWiki's default of `1.6`
+
+ .oo-ui-fieldLayout.oo-ui-labelElement > .oo-ui-fieldLayout-body > .oo-ui-fieldLayout-header {
+ line-height: 1.143; // equals `16px`
+ }
+
.mw-htmlform-field-HTMLCheckMatrix {
width: 100%;
}