Support for parsing all CSS and producing one CSS file

test/data/expected/css_main_test.html.txt

Index: test/data/expected/css_main_test.html.txt
diff --git a/test/data/expected/css_main_test.html.txt b/test/data/expected/css_main_test.html.txt
index 3eb8e08bbb0a5e09f249da6b9a3ef3b4b991152a..811b7ba06ab4e7b8971e4320e7ced2b7bb7baef3 100644
--- a/test/data/expected/css_main_test.html.txt
+++ b/test/data/expected/css_main_test.html.txt
@@ -1,49 +1,50 @@
 Content-Type: text/plain
 layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
-layer at (0,0) size 800x202
-  RenderBlock {HTML} at (0,0) size 800x202
-    RenderBody {BODY} at (8,8) size 784x186
-      RenderBlock {DIV} at (0,0) size 784x44 [border: (1px solid #000000)]
-        RenderTextControl {INPUT} at (11,13) size 300x18 [color=#0000FF] [bgcolor=#ADFF2F]
+layer at (0,0) size 800x260
+  RenderBlock {HTML} at (0,0) size 800x260
+    RenderBody {BODY} at (8,8) size 784x244
+      RenderBlock {DIV} at (0,0) size 322x102 [bgcolor=#FF0000] [border: (1px solid #000000)]
+        RenderBlock (floating) {DIV} at (11,16) size 14x14
+        RenderTextControl {INPUT} at (11,32) size 300x18 [color=#0000FF] [bgcolor=#ADFF2F]
         RenderText {#text} at (0,0) size 0x0
-      RenderBlock (anonymous) at (0,44) size 784x22
+      RenderBlock (anonymous) at (0,102) size 784x22
         RenderTextControl {INPUT} at (0,2) size 300x18 [color=#9400D3] [bgcolor=#E0FFFF]
         RenderText {#text} at (0,0) size 0x0
         RenderInline {X-COMP1} at (0,0) size 0x0
           RenderText {#text} at (0,0) size 0x0
-      RenderBlock (anonymous) at (0,66) size 784x60
+      RenderBlock (anonymous) at (0,124) size 784x60
         RenderBlock {DIV} at (0,0) size 340x60
           RenderTextControl {INPUT} at (20,20) size 300x20 [color=#FF0000] [bgcolor=#0000FF]
           RenderText {#text} at (0,0) size 0x0
-      RenderBlock (anonymous) at (0,126) size 784x0
+      RenderBlock (anonymous) at (0,184) size 784x0
         RenderInline {X-COMP1} at (0,0) size 0x0
           RenderText {#text} at (0,0) size 0x0
         RenderText {#text} at (0,0) size 0x0
         RenderInline {X-COMP1} at (0,0) size 0x0
           RenderText {#text} at (0,0) size 0x0
-      RenderBlock (anonymous) at (0,126) size 784x60
+      RenderBlock (anonymous) at (0,184) size 784x60
         RenderBlock {DIV} at (0,0) size 340x60
           RenderTextControl {INPUT} at (20,20) size 300x20 [color=#FFFF00] [bgcolor=#008000]
           RenderText {#text} at (0,0) size 0x0
-      RenderBlock (anonymous) at (0,186) size 784x0
+      RenderBlock (anonymous) at (0,244) size 784x0
         RenderInline {X-COMP1} at (0,0) size 0x0
           RenderText {#text} at (0,0) size 0x0
         RenderText {#text} at (0,0) size 0x0
         RenderText {#text} at (0,0) size 0x0
-layer at (19,21) size 300x18
+layer at (19,40) size 300x18
   RenderBlock {DIV} at (0,0) size 300x18
     RenderText {#text} at (0,0) size 80x18
       text run at (0,0) width 80: "Test AAA"
-layer at (8,54) size 300x18
+layer at (8,112) size 300x18
   RenderBlock {DIV} at (0,0) size 300x18
     RenderText {#text} at (0,0) size 80x18
       text run at (0,0) width 80: "Test BBB"
-layer at (28,95) size 300x18
+layer at (28,153) size 300x18
   RenderBlock {DIV} at (0,1) size 300x18
     RenderText {#text} at (0,0) size 70x18
       text run at (0,0) width 70: "Testing"
-layer at (28,155) size 300x18
+layer at (28,213) size 300x18
   RenderBlock {DIV} at (0,1) size 300x18
     RenderText {#text} at (0,0) size 70x18
       text run at (0,0) width 70: "Testing"