Update README.md (#8100)

README.md

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   </form>
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 ## Intro
 
 This list was originally a clone of [StackOverflow - List of Freely Available Programming Books](https://web.archive.org/web/20140606191453/http://stackoverflow.com/questions/194812/list-of-freely-available-programming-books/392926) with contributions from Karan Bhangui and George Stocker.
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 </div>
 
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 ## How to Share
 
-+ [Share on Twitter](http://twitter.com/intent/tweet?text=https://github.com/EbookFoundation/free-programming-books%0AFree%20Programming%20Books)
-+ [Share on Facebook](https://www.facebook.com/share.php?u=https%3A%2F%2Fgithub.com%2FEbookFoundation%2Ffree-programming-books&p[images][0]=&p[title]=Free%20Programming%20Books&p[summary]=)
-+ [Share on LinkedIn](http://www.linkedin.com/shareArticle?mini=true&url=https://github.com/EbookFoundation/free-programming-books&title=Free%20Programming%20Books&summary=&source=)
-+ [Share on Telegram](https://t.me/share/url?url=https://github.com/EbookFoundation/free-programming-books)
+<div align="left" markdown="1">
 
+<a href="http://twitter.com/intent/tweet?text=https://github.com/EbookFoundation/free-programming-books%0AFree%20Programming%20Books">Share on Twitter</a><br>
+<a href="https://www.facebook.com/share.php?u=https%3A%2F%2Fgithub.com%2FEbookFoundation%2Ffree-programming-books&p[images][0]=&p[title]=Free%20Programming%20Books&p[summary]=">Share on Facebook</a><br>
+<a href="http://www.linkedin.com/shareArticle?mini=true&url=https://github.com/EbookFoundation/free-programming-books&title=Free%20Programming%20Books&summary=&source=">Share on LinkedIn</a><br>
+<a href="https://t.me/share/url?url=https://github.com/EbookFoundation/free-programming-books">Share on Telegram</a><br>
+
+</div>
 
 ## Resources
 
@@ -77,7 +78,6 @@ This project lists books and other resources grouped by genres:
 
 [English, By Subject](books/free-programming-books-subjects.md)
 
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 #### Other Languages
 
 + [Arabic / al arabiya / العربية](books/free-programming-books-ar.md)
@@ -120,12 +120,10 @@ This project lists books and other resources grouped by genres:
 + [Ukrainian / Українська](books/free-programming-books-uk.md)
 + [Vietnamese / Tiếng Việt](books/free-programming-books-vi.md)
 
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 ### Cheat Sheets
 
 + [All Languages](more/free-programming-cheatsheets.md)
 
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 ### Free Online Courses
 
 + [Arabic / al arabiya / العربية](courses/free-courses-ar.md)