Build: use tabs in CSS, also simplify and correct .editorconfig

See https://contribute.jquery.org/style-guide/css/#spacing
> Indentation with tabs.

Author: markelog

.editorconfig

@@ -3,26 +3,14 @@
 
 root = true
 
-
 [*]
+indent_style = tab
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-# Tabs in JS unless otherwise specified
-[**.js]
-indent_style = tab
-
-[test/**.xml]
-indent_style = tab
-
-[test/**.php]
-indent_style = tab
-
-[test/**.html]
-indent_style = tab
-
-[test/**.css]
+[package.json]
 indent_style = space
-indent_size = 8
+indent_size = 2
+

test/data/testsuite.css

@@ -1,127 +1,127 @@
 /* for testing opacity set in styles in IE */
 ol#empty {
-    opacity: 0;
-    filter:Alpha(opacity=0) progid:DXImageTransform.Microsoft.gradient(startColorStr='#ffff0000', EndColorStr='#ffffffff');
+	opacity: 0;
+	filter:Alpha(opacity=0) progid:DXImageTransform.Microsoft.gradient(startColorStr='#ffff0000', EndColorStr='#ffffffff');
 }
 
 div#fx-tests h4 {
-    background: red;
+	background: red;
 }
 
 div#fx-tests h4.pass {
-    background: green;
+	background: green;
 }
 
 div#fx-tests div.box {
-    background: red;
-    overflow: hidden;
-    border: 2px solid #000;
+	background: red;
+	overflow: hidden;
+	border: 2px solid #000;
 }
 
 div#fx-tests div.overflow {
-    overflow: visible;
+	overflow: visible;
 }
 
 div.inline {
-    display: inline;
+	display: inline;
 }
 
 div.autoheight {
-    height: auto;
+	height: auto;
 }
 
 div.autowidth {
-    width: auto;
+	width: auto;
 }
 
 div.autoopacity {
-    opacity: auto;
+	opacity: auto;
 }
 
 div.largewidth {
-    width: 100px;
+	width: 100px;
 }
 
 div.largeheight {
-    height: 100px;
+	height: 100px;
 }
 
 div.largeopacity {
-    filter: progid:DXImageTransform.Microsoft.Alpha(opacity=100);
+	filter: progid:DXImageTransform.Microsoft.Alpha(opacity=100);
 }
 
 div.medwidth {
-    width: 50px;
+	width: 50px;
 }
 
 div.medheight {
-    height: 50px;
+	height: 50px;
 }
 
 div.medopacity {
-    opacity: 0.5;
-    filter: progid:DXImageTransform.Microsoft.Alpha(opacity=50);
+	opacity: 0.5;
+	filter: progid:DXImageTransform.Microsoft.Alpha(opacity=50);
 }
 
 div.nowidth {
-    width: 0px;
+	width: 0px;
 }
 
 div.noheight {
-    height: 0px;
+	height: 0px;
 }
 
 div.noopacity {
-    opacity: 0;
-    filter: progid:DXImageTransform.Microsoft.Alpha(opacity=0);
+	opacity: 0;
+	filter: progid:DXImageTransform.Microsoft.Alpha(opacity=0);
 }
 
 div.hidden {
-    display: none;
+	display: none;
 }
 
 div#fx-tests div.widewidth {
-    background-repeat: repeat-x;
+	background-repeat: repeat-x;
 }
 
 div#fx-tests div.wideheight {
-    background-repeat: repeat-y;
+	background-repeat: repeat-y;
 }
 
 div#fx-tests div.widewidth.wideheight {
-    background-repeat: repeat;
+	background-repeat: repeat;
 }
 
 div#fx-tests div.noback {
-    background-image: none;
+	background-image: none;
 }
 
 .chain-test,
 .chain-test div {
-    width: 100px;
-    height: 20px;
-    position: relative;
-    float: left;
+	width: 100px;
+	height: 20px;
+	position: relative;
+	float: left;
 }
 .chain-test div {
-    position: absolute;
-    top: 0;
-    left: 0;
+	position: absolute;
+	top: 0;
+	left: 0;
 }
 
 .chain-test {
-    background: red;
+	background: red;
 }
 .chain-test div {
-    background: green;
+	background: green;
 }
 
 .chain-test-out {
-    background: green;
+	background: green;
 }
 .chain-test-out div {
-    background: red;
-    display: none;
+	background: red;
+	display: none;
 }
 
 /* tests to ensure jQuery can determine the native display mode of elements
@@ -159,19 +159,19 @@ section { background:#f0f; display:block; }
 
 /* fix get alpha opacity in IE8 */
 .fix-get-alpha-opacity-in-ie8 {
-    opacity: 0.5;
-    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
+	opacity: 0.5;
+	-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
 }
 
 #div-gh-2836 {
-    position: relative;
-    overflow: auto;
-    height: 100px;
+	position: relative;
+	overflow: auto;
+	height: 100px;
 }
 #div-gh-2836 div {
-    position: relative;
-    height: 100%;
-    padding: 0;
-    margin: 0;
+	position: relative;
+	height: 100%;
+	padding: 0;
+	margin: 0;
 }