📝 minor readme improvements

README.md

@@ -4,23 +4,19 @@
 
 Do you longingly reminisce about the days when flying toasters graced your screen? Do words like "Confetti Factory" and "Daredevil Dan" make your heart skip a beat?
 
-If so, then never fear --- CSS is here! Using modern CSS techniques like animations and transforms, we can imitate several of your favorite After Dark™ screensavers.
+If so, then never fear—CSS is here! Using modern CSS techniques like animations and transforms, we can imitate several of your favorite After Dark™ screensavers.
 
-The animations were made with CSS alone. No animated gifs or javascript.
+The animations were made with CSS alone. No animated gifs or JavaScript.
 
 ### [See them here!](http://bryanbraun.github.io/after-dark-css/)
 
-#### Browsers
-
-These animations will only work in modern browsers. They have been tested in Chrome, Safari, & Firefox.
-
 #### Why?
 
-Just for fun. 
+Just for fun.
 
 #### Thanks to:
 
 [Jonathon Sampson](https://twitter.com/jonathansampson), [Keith Clark](http://codepen.io/keithclark/), [Rob Glazebrook](http://www.cssnewbie.com/pure-css-bouncing-ball), [Ryan Justice](http://ned.highline.edu/~ryan-j/200/final/) and others for posting tutorials & demos on CSS animations.
 [N. Landsteiner](http://www.masswerk.at/flyer/), [David Donarumo](http://www.youtube.com/watch?v=M1w1SQ3ezh8), and [Lazy Game Reviews](http://www.youtube.com/watch?v=ANnYbX54oU4) for online preservation of what the original screensavers looked like.
 Robin Casady for the Public Domain [ChicagoFLF](http://christtrekker.users.sourceforge.net/fnt/chicago.shtml) font.
-The original screensavers and artwork are © 1989 Berkeley Systems Inc.
+The original screensavers and artwork are © 1989 Berkeley Systems Inc.