chore(i8n,learn): processed translations

curriculum/challenges/chinese/03-front-end-libraries/bootstrap/ditch-custom-css-for-bootstrap.md

@@ -1,6 +1,6 @@
 ---
 id: bad87fee1347bd9aedf08845
-title: 用 Bootstrap 来取代我们之前的自定义样式
+title: Ditch Custom CSS for Bootstrap
 challengeType: 0
 forumTopicId: 17565
 dashedName: ditch-custom-css-for-bootstrap
@@ -8,31 +8,31 @@ dashedName: ditch-custom-css-for-bootstrap
 
 # --description--
 
-现在我们可以清理一下之前代码，用 Bootstrap 的内置样式来替换我们之前定义的样式，这样会让我们的 Cat Photo App 看起来更简洁些。
+We can clean up our code and make our Cat Photo App look more conventional by using Bootstrap's built-in styles instead of the custom styles we created earlier.
 
-别担心————以后我们会有大把时间来自定义我们的 CSS 样式的。
+Don't worry - there will be plenty of time to customize our CSS later.
 
-删除 `style` 元素里的 `.red-text`, `p`, 和 `.smaller-image` CSS 声明，使 `style` 元素留下的声明只有 `h2` 和 `thick-green-border`.
+Delete the `.red-text`, `p`, and `.smaller-image` CSS declarations from your `style` element so that the only declarations left in your `style` element are `h2` and `thick-green-border`.
 
-删除包含死链接的 `p` 元素。 然后将 `h2` 的 `red-text` class 替换为 Bootstrap 的 `text-primary` class.
+Then delete the `p` element that contains a dead link. Then remove the `red-text` class from your `h2` element and replace it with the `text-primary` Bootstrap class.
 
-最后, 将你第一个 `img` 元素的 "smaller-image" class 替换为 `img-responsive` class.
+Finally, remove the "smaller-image" class from your first `img` element and replace it with the `img-responsive` class.
 
 # --hints--
 
-h2 元素的 class 不应为 `red-text`。
+Your h2 element should no longer have the class `red-text`.
 
 ```js
 assert(!$('h2').hasClass('red-text'));
 ```
 
-h2 元素的 class 应为 `text-primary`。
+Your h2 element should now have the class `text-primary`.
 
 ```js
 assert($('h2').hasClass('text-primary'));
 ```
 
-你的段落元素（p）应该不再使用 `Monospace` 字体。
+Your paragraph elements should no longer use the font `Monospace`.
 
 ```js
 assert(
@@ -42,13 +42,13 @@ assert(
 );
 ```
 
-移除你第一张图片的 class 属性 `smaller-image`。
+The `smaller-image` class should be removed from your top image.
 
 ```js
 assert(!$('img').hasClass('smaller-image'));
 ```
 
-给你的第一张图片添加 class 属性 `img-responsive`。
+You should add the `img-responsive` class to your top image.
 
 ```js
 assert($('.img-responsive').length > 1);