fix: replace .english.md extension with .md

curriculum/challenges/english/01-responsive-web-design/basic-css/style-the-html-body-element.md

@@ -0,0 +1,72 @@
+---
+id: bad87fee1348bd9aedf08736
+title: Style the HTML Body Element
+challengeType: 0
+videoUrl: 'https://scrimba.com/c/cB77PHW'
+forumTopicId: 18313
+---
+
+## Description
+<section id='description'>
+Now let's start fresh and talk about CSS inheritance.
+Every HTML page has a <code>body</code> element.
+</section>
+
+## Instructions
+<section id='instructions'>
+We can prove that the <code>body</code> element exists here by giving it a <code>background-color</code> of black.
+We can do this by adding the following to our <code>style</code> element:
+
+```css
+body {
+  background-color: black;
+}
+```
+
+</section>
+
+## Tests
+<section id='tests'>
+
+```yml
+tests:
+  - text: Your <code>body</code> element should have the <code>background-color</code> of black.
+    testString: assert($("body").css("background-color") === "rgb(0, 0, 0)");
+  - text: Your CSS rule should be properly formatted with both opening and closing curly brackets.
+    testString: assert(code.match(/<style>\s*body\s*\{\s*background.*\s*:\s*.*;\s*\}\s*<\/style>/i));
+  - text: Your CSS rule should end with a semi-colon.
+    testString: assert(code.match(/<style>\s*body\s*\{\s*background.*\s*:\s*.*;\s*\}\s*<\/style>/i));
+
+```
+
+</section>
+
+## Challenge Seed
+<section id='challengeSeed'>
+
+<div id='html-seed'>
+
+```html
+<style>
+
+</style>
+```
+
+</div>
+
+
+
+</section>
+
+## Solution
+<section id='solution'>
+
+```html
+<style>
+body {
+  background-color: black;
+}
+</style>
+```
+
+</section>