style(all): remove unneccessary px declarations from values set to 0

Author: mrmrs

misc/demo/assets/rainbow.css

@@ -14,18 +14,18 @@ pre {
 
 code {
     border: 1px solid #eaeaea;
-    margin: 0px 2px;
-    padding: 0px 5px;
+    margin: 0 2px;
+    padding: 0 5px;
     font-size: 12px;
 }
 
 pre code {
-    border: 0px;
-    padding: 0px;
-    margin: 0px;
-    -moz-border-radius: 0px;
-    -webkit-border-radius: 0px;
-    border-radius: 0px;
+    border: 0;
+    padding: 0;
+    margin: 0;
+    -moz-border-radius: 0;
+    -webkit-border-radius: 0;
+    border-radius: 0;
 }
 
 pre, code {

src/position/test/test.html

@@ -119,7 +119,7 @@ <h3>Inside looong text</h3>
 <div class="content" position>HERE</div>
 <p>Maecenas laoreet nisi pretium elit bibendum eget tempor nunc aliquet. Vivamus interdum nisi sit amet tortor fermentum congue. Suspendisse at posuere erat. Aliquam hendrerit ultricies nunc non adipiscing. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Duis molestie viverra nulla a aliquet. Nullam non eros vel sem vehicula suscipit. Ut sit amet arcu ac tortor dignissim viverra in a ligula.</p>
 
-<div style="position: fixed; bottom: 0px" class="container">
+<div style="position: fixed; bottom: 0" class="container">
     <h3>Within fixed div</h3>
     <div class="content" position>Content</div>
 </div>