Update README.md

Author: josemoracard

exercises/07-Very-Specific-Rules/README.md

@@ -4,7 +4,7 @@ tutorial: "https://www.youtube.com/watch?v=2YkLDRZFk40"
 
 # `07` Very Specific Rules
 
-# **Important:**
+## 🔍 Important:
 
 In this exercise, you can add your code only above the **READ-ONLY BLOCK** of the code, you can add as many lines as you want, but always above.
 
@@ -21,6 +21,6 @@ In this exercise, you can add your code only above the **READ-ONLY BLOCK** of th
 ![Example Image](../../.learn/assets/07-1.png?raw=true)
 >Important: You should **NOT** modify the index.html file.
 
-## :bulb: Hint:
+## 💡 Hint:
 
 1. The `!important` attribute helps to override other attributes.