Update README.md

Author: IPdotSetAF

README.md

@@ -5,14 +5,14 @@ This is a highly customizable animated Matrix wallpaper for Wallpaper Engine (We
 ## Preview [(Web Demo)](https://ipdotsetaf.github.io/NeoMatrix/)
 
 <p>
-   <img src="preview.gif" width=300px/>
-   <img src="images/preview2.gif" width=300px/>
-   <img src="images/preview3.gif" width=300px/>
+   <img src="preview.gif" width=270px height=270px/>
+   <img src="images/preview2.gif" width=270px height=270px/>
+   <img src="images/preview3.gif" width=270px height=270px/>
 </p>
 <p>
-   <img src="images/preview4.gif" width=300px/>
-   <img src="images/preview5.gif" width=300px/>
-   <img src="images/preview6.gif" width=300px/>
+   <img src="images/preview4.gif" width=270px height=270px/>
+   <img src="images/preview5.gif" width=270px height=270px/>
+   <img src="images/preview6.gif" width=270px height=270px/>
 </p>
 
 ##