diff --git a/src/support.js b/src/support.js
index 9d25c8f29..d9f579053 100644
--- a/src/support.js
+++ b/src/support.js
@@ -15,10 +15,11 @@ jQuery.support = (function() {
 
 	// Preliminary tests
 	div.setAttribute( "className", "t" );
-	div.innerHTML = "  <link/><table></table><a href='/a' style='top:1px;float:left;opacity:.5;'>a</a><input type='checkbox'/>";
+	div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
 
 	all = div.getElementsByTagName("*");
 	a = div.getElementsByTagName("a")[ 0 ];
+	a.style.cssText = "top:1px;float:left;opacity:.5";
 
 	// Can't get basic test support
 	if ( !all || !all.length || !a ) {
@@ -196,8 +197,9 @@ jQuery.support = (function() {
 		// display:none (it is still safe to use offsets if a parent element is
 		// hidden; don safety goggles and see bug #4512 for more information).
 		// (only IE 8 fails this test)
-		div.innerHTML = "<table><tr><td style='padding:0;margin:0;border:0;display:none'></td><td>t</td></tr></table>";
+		div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
 		tds = div.getElementsByTagName("td");
+		tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
 		isSupported = ( tds[ 0 ].offsetHeight === 0 );
 
 		tds[ 0 ].style.display = "";
@@ -249,7 +251,8 @@ jQuery.support = (function() {
 			// (IE 6 does this)
 			div.style.display = "block";
 			div.style.overflow = "visible";
-			div.innerHTML = "<div style='width:5px;'></div>";
+			div.innerHTML = "<div></div>";
+			div.firstChild.style.width = "5px";
 			support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
 
 			container.style.zoom = 1;