Administration: CSS coding standards

- properties should be followed by a colon and a space
- media queries shouldn't use spaces within parenthesis
- indentation should use tabs instead of spaces or mixed spaces / tabs
- the content property should use double quotes
- no double spaces

Props nadim0988, afercia.
Fixes #45185.

Built from https://develop.svn.wordpress.org/trunk@44637


git-svn-id: http://core.svn.wordpress.org/trunk@44468 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/color-picker-rtl.css

@@ -70,7 +70,7 @@
 
 .wp-picker-input-wrap .button,
 .wp-customizer .wp-picker-input-wrap .button {
- 	margin-right: 6px;
+	margin-right: 6px;
 }
 
 .wp-picker-container .iris-square-slider .ui-slider-handle:focus {
@@ -125,7 +125,7 @@
 		0 0 2px 1px rgba(30, 140, 190, .8);
 }
 
-@media screen and ( max-width: 782px ) {
+@media screen and (max-width: 782px) {
 	.wp-picker-container input[type="text"].wp-color-picker {
 		width: 80px;
 		padding: 6px 5px 5px;
@@ -160,7 +160,7 @@
 	}
 }
 
-@media screen and ( max-width: 640px ) {
+@media screen and (max-width: 640px) {
 	.wp-customizer .wp-picker-container .wp-color-result.button {
 		font-size: 14px;
 		line-height: 29px;