Fix standalone mode for the useR theme (#327)

fix #326
yihui · Jun 22, 2021 · db43e71 · db43e71
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diff --git a/DESCRIPTION b/DESCRIPTION
@@ -33,6 +33,7 @@ Authors@R: c(
     person("Waldir", "Leoncio", role = "ctb", email = "[email protected]"),
     person("Yongfu", "Liao", role = "ctb"),
     person("Yue", "Jiang", role = "ctb", comment = c(ORCID = "0000-0002-9798-5517")),
+    person(c("Zhian", "N."), "Kamvar", role = c("ctb"), email = "[email protected]", comment = c(ORCID = "0000-0003-1458-7108")),
     person()
     )
 Description: Create HTML5 slides with R Markdown and the JavaScript library

diff --git a/NEWS.md b/NEWS.md
@@ -4,6 +4,8 @@
 
 - Added a new theme `glasgow` according to the U of Glasgow colors (thanks, @svd09, #323).
 
+- Fixed bug in the `useR` theme that prevents standalone mode from working (thanks, @zkamvar, #326).
+
 # CHANGES IN xaringan VERSION 0.21
 
 - When an image is empty (e.g., `![]()`), the output format option `self_contained: true` of `xaringan::moon_reader` fails to encode the image (thanks, @Mosk915, #302).

diff --git a/inst/rmarkdown/templates/xaringan/resources/useR.css b/inst/rmarkdown/templates/xaringan/resources/useR.css
@@ -38,7 +38,6 @@
 
 .chapter-slide {
   background-color: #1464b4;
-  background-image: url();
 }
 
 .chapter-slide h1 {