Update README.md

Author: learning-zone

README.md

@@ -1,6 +1,6 @@
 # Bootstrap-CSS Basics
 
-*Click <img src="https://github.com/learning-zone/bootstrap-css-interview-questions/blob/master/assets/star.png" width="18" height="18" align="absmiddle" title="Star" /> if you like the project. Pull Request are highly appreciated.*
+> *Click &#9733; if you like the project. Your contributions are heartily ♡ welcome.*
 
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