Reset legend `font-size` in OOUI HTMLForms

It wrongly inherits generic elements style and results in smaller
than expected `font-size`. With this patch we're applying the correct
size.

Change-Id: I42160fc28b22920fbe4a8de48405480ff736aa4d

diff --git a/resources/src/mediawiki.htmlform.ooui.styles.less b/resources/src/mediawiki.htmlform.ooui.styles.less
index a156e88..7bec6f4 100644 (file)
--- a/resources/src/mediawiki.htmlform.ooui.styles.less
+++ b/resources/src/mediawiki.htmlform.ooui.styles.less
@@ -16,6 +16,10 @@
 .mw-htmlform-ooui {
        line-height: 1.4; // Override MediaWiki's default of `1.6`
 
+       .oo-ui-fieldsetLayout-header {
+               font-size: 100%; // Override MediaWiki's generic `legend` styling
+       }
+
        .oo-ui-fieldLayout.oo-ui-labelElement > .oo-ui-fieldLayout-body > .oo-ui-fieldLayout-header {
                line-height: 16 / @ooui-font-size-browser / @ooui-font-size-base;
        }