diff --git a/client/i18n/locales/chinese-traditional/intro.json b/client/i18n/locales/chinese-traditional/intro.json
index e484ed9ea8..12b6972c6c 100644
--- a/client/i18n/locales/chinese-traditional/intro.json
+++ b/client/i18n/locales/chinese-traditional/intro.json
@@ -78,6 +78,13 @@
           ""
         ]
       },
+      "css-box-model": {
+        "title": "CSS Box Model",
+        "intro": [
+          "Mark Rothko was known for his abstract style of painting. Rothko paintings commonly depicted rectangular regions of color in varying sizes.",
+          "In this lesson, you will be using CSS to create your own painting in Rothko's style. You will use many of the skills you have already been practicing, as well as new CSS tool such as blur and transform."
+        ]
+      },
       "css-variables-skyline": {
         "title": "CSS 變量 Skyline",
         "intro": [
diff --git a/client/i18n/locales/chinese/intro.json b/client/i18n/locales/chinese/intro.json
index 5224693716..3eda4dc4e6 100644
--- a/client/i18n/locales/chinese/intro.json
+++ b/client/i18n/locales/chinese/intro.json
@@ -78,6 +78,13 @@
           ""
         ]
       },
+      "css-box-model": {
+        "title": "CSS Box Model",
+        "intro": [
+          "Mark Rothko was known for his abstract style of painting. Rothko paintings commonly depicted rectangular regions of color in varying sizes.",
+          "In this lesson, you will be using CSS to create your own painting in Rothko's style. You will use many of the skills you have already been practicing, as well as new CSS tool such as blur and transform."
+        ]
+      },
       "css-variables-skyline": {
         "title": "CSS 变量 Skyline",
         "intro": [
diff --git a/client/i18n/locales/espanol/intro.json b/client/i18n/locales/espanol/intro.json
index 3cf6476a67..5680d06b1a 100644
--- a/client/i18n/locales/espanol/intro.json
+++ b/client/i18n/locales/espanol/intro.json
@@ -78,6 +78,13 @@
           ""
         ]
       },
+      "css-box-model": {
+        "title": "CSS Box Model",
+        "intro": [
+          "Mark Rothko was known for his abstract style of painting. Rothko paintings commonly depicted rectangular regions of color in varying sizes.",
+          "In this lesson, you will be using CSS to create your own painting in Rothko's style. You will use many of the skills you have already been practicing, as well as new CSS tool such as blur and transform."
+        ]
+      },
       "css-variables-skyline": {
         "title": "Skyline variables de CSS",
         "intro": [
diff --git a/client/i18n/locales/italian/intro.json b/client/i18n/locales/italian/intro.json
index a73c0ede43..4b695c9f5c 100644
--- a/client/i18n/locales/italian/intro.json
+++ b/client/i18n/locales/italian/intro.json
@@ -78,6 +78,13 @@
           ""
         ]
       },
+      "css-box-model": {
+        "title": "CSS Box Model",
+        "intro": [
+          "Mark Rothko was known for his abstract style of painting. Rothko paintings commonly depicted rectangular regions of color in varying sizes.",
+          "In this lesson, you will be using CSS to create your own painting in Rothko's style. You will use many of the skills you have already been practicing, as well as new CSS tool such as blur and transform."
+        ]
+      },
       "css-variables-skyline": {
         "title": "Variabili CSS: Skyline",
         "intro": [
diff --git a/client/i18n/locales/portuguese/intro.json b/client/i18n/locales/portuguese/intro.json
index 096f97f1ce..ed296a19a5 100644
--- a/client/i18n/locales/portuguese/intro.json
+++ b/client/i18n/locales/portuguese/intro.json
@@ -78,6 +78,13 @@
           ""
         ]
       },
+      "css-box-model": {
+        "title": "Modelo da caixa do CSS",
+        "intro": [
+          "Mark Rothko era conhecido por seu estilo abstrato de pintura. As pinturas de Rothko comumente retratavam regiões retangulares coloridas em tamanhos variados.",
+          "Nesta lição, você usará o CSS para criar sua própria pintura no estilo de Rothko. Você usará muitas das habilidades que você já está praticando, bem como novas ferramentas do CSS como o desfoque (blur) e a transformação (transform)."
+        ]
+      },
       "css-variables-skyline": {
         "title": "Horizonte com variáveis de CSS",
         "intro": [