Update CodeSnippet styles and instructions schema

app/components/CodeSnippet/CodeSnippet.module.css

@@ -3,6 +3,7 @@
   margin: 0.5rem 0;
   border: 1px solid var(--border-color);
   border-radius: calc(var(--border-radius) / 2);
+  background-color: transparent !important;
 }
 .inlineCode {
   padding: 2px 4px;

app/components/CodeSnippet/CodeSnippet.tsx

@@ -38,7 +38,7 @@ export default function CodeSnippet({
           lineNumber <= highlightLineEnd
         ) {
           style = {
-            backgroundColor: "#00ff002f",
+            backgroundColor: "#00ff0023",
           };
         }
         return { style };

content/01-introduction/02-Arrays/instructions.mdx

@@ -8,7 +8,7 @@ keywords: "$schema, $id, type, array, items, string, number"
 
 In the previous step, we have learned to define an object schema with properties using the `properties` keyword.
 
-and added properties of `string` and `number` data types to the schema.
+and added two properties with `string` and `number` data types to the schema.
 
 We will continue with the Employee schema and add a new property `skills` which is an **array of strings**. 
 
@@ -40,7 +40,7 @@ We will continue with the Employee schema and add a new property `skills` which
 
 You are given an incomplete schema for this data in the editor. using the above schema as a reference, 
 
-add `skills` property to the schema 
+add definition `skills` property to the schema 
 
 <GoodToKnowBox>
   When you use json schema with an implementer, you might encounter `$schema` keyword. This keyword is used to specify the version of the JSON Schema standard that the schema is written in.
@@ -54,7 +54,7 @@ add `skills` property to the schema
   }
   ```
 
-  The above schema is written in the JSON Schema draft 2020-12 standard. For the rest of the tour we will use the latest JSON Schema draft 2020-12 standard and we are not going to include `$schema` keyword in the schema for simplicity.
+  The above schema is written in the JSON Schema draft 2020-12 standard. For the rest of the tour we will use the latest JSON Schema **draft 2020-12 standard** and we are not going to include `$schema` keyword in the schema for simplicity.
 
 
 </GoodToKnowBox>