diff --git a/DESCRIPTION b/DESCRIPTION
index 92715dd..7d809e4 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: taucharts
 Title: Create Interactive Charts with the JavaScript 'TauCharts' Library
-Version: 0.3.3.9001
+Version: 0.3.4.9000
 Authors@R: c(
     person("Bob", "Rudis", email = "bob@rudis.net", role = c("aut", "cre")),
     person("Kent", "Russell", email = "kent.russell@timelyportfolio.com", role = c("aut", "ctb")),
diff --git a/R/rules.r b/R/rules.r
index 2b2a268..e3a9e0d 100644
--- a/R/rules.r
+++ b/R/rules.r
@@ -12,9 +12,11 @@
 #'
 #' @param tau taucharts object
 #' @param rule character vector of CSS rule(s) to add to the widget DOM
+#' @param warn show warnings for global CSS rules? (default: \code{TRUE})
 #' @return taucharts htmlwidget object
 #' @note This is for expert use only. You need to know quite a bit about the visualization
-#'       and target DOM to effectively use this function.
+#'       and target DOM to effectively use this function. CSS rules without the \code{\{\{ID\}\}}
+#'       are applied to the entire DOM.
 #' @export
 #' @examples
 #' # change the default white tooltip to black
@@ -33,7 +35,18 @@
 #'   tau_color_manual(c("blue", "maroon", "black")) %>%
 #'   tau_tooltip() %>%
 #'   make_black_tooltip()
-tau_add_css_rule <- function(tau, rule) {
+tau_add_css_rule <- function(tau, rule, warn=TRUE) {
+
+  # if any of the CSS statements in 'rule' do not have {{ID}} targets, warn the user
+  if (warn) {
+    if (!any(grepl("\\{\\{ID\\}\\}", rule))) {
+      # special case for the tooltip since that resides outsie the widget div
+      # it has to be targeted globally unless the TauCharts folks change the behavior
+      if (!all(grepl("graphical-report__tooltip", rule[which(!grepl("\\{\\{ID\\}\\}", rule))]))) {
+        message("NOTE: CSS rules without {{ID}} are applied to the entire DOM.")
+      }
+    }
+  }
   tau$x$forCSS <- c(tau$x$forCSS, rule)
   tau
 }
diff --git a/README.Rmd b/README.Rmd
index 7879ed8..039fade 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -65,6 +65,7 @@ The following datasets are included:
 
 ### News
 
+- Version 0.3.4.9000 released : added warning for global targeted CSS rules and font ref fix thx to @jlewis91 
 - Version 0.3.3.9001 released : fix for custom colors and `tau_line`
 - Version 0.3.3 released : custom font for chart (`?tau_set_font`)
 - Version 0.3.2 released : custom colors working in legend & trendlines
diff --git a/README.md b/README.md
index aa4c476..7f4dce4 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,7 @@ The following datasets are included:
 
 ### News
 
+-   Version 0.3.4.9000 released : added warning for global targeted CSS rules and font ref fix thx to @jlewis91
 -   Version 0.3.3.9001 released : fix for custom colors and `tau_line`
 -   Version 0.3.3 released : custom font for chart (`?tau_set_font`)
 -   Version 0.3.2 released : custom colors working in legend & trendlines
@@ -77,7 +78,7 @@ library(taucharts)
 
 # current verison
 packageVersion("taucharts")
-#> [1] '0.3.3'
+#> [1] '0.3.4.9000'
 ```
 
 ### Test Results
@@ -87,7 +88,7 @@ library(taucharts)
 library(testthat)
 
 date()
-#> [1] "Mon Aug 10 20:17:36 2015"
+#> [1] "Wed Aug 12 16:37:18 2015"
 
 test_dir("tests/")
 #> testthat results ========================================================================================================
diff --git a/man/tau_add_css_rule.Rd b/man/tau_add_css_rule.Rd
index 708d1f6..0209268 100644
--- a/man/tau_add_css_rule.Rd
+++ b/man/tau_add_css_rule.Rd
@@ -4,12 +4,14 @@
 \alias{tau_add_css_rule}
 \title{Add a CSS rule to the rendered htmlwidget}
 \usage{
-tau_add_css_rule(tau, rule)
+tau_add_css_rule(tau, rule, warn = TRUE)
 }
 \arguments{
 \item{tau}{taucharts object}
 
 \item{rule}{character vector of CSS rule(s) to add to the widget DOM}
+
+\item{warn}{show warnings for global CSS rules? (default: \code{TRUE})}
 }
 \value{
 taucharts htmlwidget object
@@ -28,7 +30,8 @@ Vectorized over \code{rule}
 }
 \note{
 This is for expert use only. You need to know quite a bit about the visualization
-      and target DOM to effectively use this function.
+      and target DOM to effectively use this function. CSS rules without the \code{\{\{ID\}\}}
+      are applied to the entire DOM.
 }
 \examples{
 # change the default white tooltip to black
diff --git a/man/tau_set_font.Rd b/man/tau_set_font.Rd
index 7f8a804..f94d7c0 100644
--- a/man/tau_set_font.Rd
+++ b/man/tau_set_font.Rd
@@ -6,7 +6,7 @@
 \usage{
 tau_set_font(tau,
   family = "OpenSans, 'Helvetica Neue', Helvetica, Arial, sans-serif",
-  import_url = "http://fonts.googleapis.com/css?family=Open+Sans:400,400italic,600,700,600italic,700italic,800,300,300italic,800italic")
+  import_url = "https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,600,700,600italic,700italic,800,300,300italic,800italic")
 }
 \arguments{
 \item{family}{CSS \code{font-family} spec (just the comma-separated font names)}