diff --git a/.travis.yml b/.travis.yml
index b988e51..32b0747 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ compiler: gcc
 before_install:
   - sudo add-apt-repository ppa:coolwanglu/pdf2htmlex --yes
   - sudo apt-get update -qq
+install:
   - sudo apt-get install -qq libpoppler-dev libfontforge-dev libspiro-dev libcairo-dev libfreetype6-dev
 before_script: 
   - cmake -DENABLE_SVG=ON .
diff --git a/src/css_class_names.cmakelists.txt b/src/css_class_names.cmakelists.txt
index 538c017..569370d 100644
--- a/src/css_class_names.cmakelists.txt
+++ b/src/css_class_names.cmakelists.txt
@@ -17,7 +17,7 @@ set(CSS_PAGE_CONTENT_BOX_CN "pc") # Page Content
 set(CSS_PAGE_DATA_CN        "pi") # Page Info
 
 set(CSS_BACKGROUND_IMAGE_CN "bi")      # Background Image
-set(CSS_FULL_BACKGROUND_IMAGE_CN "Bi") # Full Background Image
+set(CSS_FULL_BACKGROUND_IMAGE_CN "bf") # Background image (Full)
 
 set(CSS_FONT_FAMILY_CN      "ff") # Font Family
 set(CSS_FONT_SIZE_CN        "fs") # Font Size