diff --git a/core/lib/Drupal/Core/Asset/CssCollectionOptimizer.php b/core/lib/Drupal/Core/Asset/CssCollectionOptimizer.php
index 62dff2c7f92aec3f2a1faab1a563175677547404..7d47dad86e6ce688188f5f9a24647c06f9733524 100644
--- a/core/lib/Drupal/Core/Asset/CssCollectionOptimizer.php
+++ b/core/lib/Drupal/Core/Asset/CssCollectionOptimizer.php
@@ -123,8 +123,12 @@ public function optimize(array $css_assets) {
               // Per the W3C specification at
               // http://www.w3.org/TR/REC-CSS2/cascade.html#at-import, @import
               // rules must precede any other style, so we move those to the
-              // top.
-              $regexp = '/@import[^;]+;/i';
+              // top. The regular expression is expressed in NOWDOC since it is
+              // detecting backslashes as well as single and double quotes. It
+              // is difficult to read when represented as a quoted string.
+              $regexp = <<<'REGEXP'
+/@import\s*(?:'(?:\\'|.)*'|"(?:\\"|.)*"|url\(\s*(?:\\[\)\'\"]|[^'")])*\s*\)|url\(\s*'(?:\'|.)*'\s*\)|url\(\s*"(?:\"|.)*"\s*\)).*;/iU
+REGEXP;
               preg_match_all($regexp, $data, $matches);
               $data = preg_replace($regexp, '', $data);
               $data = implode('', $matches[0]) . $data;
diff --git a/core/lib/Drupal/Core/Asset/CssOptimizer.php b/core/lib/Drupal/Core/Asset/CssOptimizer.php
index 4ba7a24f4d0f3c57ae3885b3d6fe9ee2d8971dc3..22f6cdb9abac0ad7e3d6a37241c55183785f857c 100644
--- a/core/lib/Drupal/Core/Asset/CssOptimizer.php
+++ b/core/lib/Drupal/Core/Asset/CssOptimizer.php
@@ -188,7 +188,7 @@ protected function loadNestedFile($matches) {
     // the url() path.
     $directory = $directory == '.' ? '' : $directory . '/';
 
-    // Alter all internal url() paths. Leave external paths alone. We don't need
+    // Alter all internal asset paths. Leave external paths alone. We don't need
     // to normalize absolute paths here because that will be done later.
     return preg_replace('/url\(\s*([\'"]?)(?![a-z]+:|\/+)([^\'")]+)([\'"]?)\s*\)/i', 'url(\1' . $directory . '\2\3)', $file);
   }
@@ -252,7 +252,9 @@ protected function processCss($contents, $optimize = FALSE) {
     }
 
     // Replaces @import commands with the actual stylesheet content.
-    // This happens recursively but omits external files.
+    // This happens recursively but omits external files and local files
+    // with supports- or media-query qualifiers, as those are conditionally
+    // loaded depending on the user agent.
     $contents = preg_replace_callback('/@import\s*(?:url\(\s*)?[\'"]?(?![a-z]+:)(?!\/\/)([^\'"\()]+)[\'"]?\s*\)?\s*;/', [$this, 'loadNestedFile'], $contents);
 
     return $contents;
diff --git a/core/misc/cspell/dictionary.txt b/core/misc/cspell/dictionary.txt
index 3edb5849646e1bf2202f8d964e14f704d7e9f3b7..5044cbe2f9b9d805ab3d0bec2855ac57ffaa0105 100644
--- a/core/misc/cspell/dictionary.txt
+++ b/core/misc/cspell/dictionary.txt
@@ -1047,6 +1047,7 @@ nothere
 notnull
 notsimpletest
 nourriture
+nowdoc
 nplurals
 nresponse
 ntfs
diff --git a/core/tests/Drupal/Tests/Core/Asset/CssCollectionOptimizerUnitTest.php b/core/tests/Drupal/Tests/Core/Asset/CssCollectionOptimizerUnitTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..a27ce061978067d4a6ceb8541a321f4b7a6dc43a
--- /dev/null
+++ b/core/tests/Drupal/Tests/Core/Asset/CssCollectionOptimizerUnitTest.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Drupal\Tests\Core\Asset;
+
+use Drupal\Core\Asset\AssetCollectionGrouperInterface;
+use Drupal\Core\Asset\AssetDumperInterface;
+use Drupal\Core\Asset\AssetOptimizerInterface;
+use Drupal\Core\Asset\CssCollectionOptimizer;
+use Drupal\Core\File\FileSystemInterface;
+use Drupal\Core\State\StateInterface;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Tests the CSS asset optimizer.
+ *
+ * @group Asset
+ */
+class CssCollectionOptimizerUnitTest extends UnitTestCase {
+
+  /**
+   * The data from the dumper.
+   *
+   * @var string
+   */
+  protected $dumperData;
+
+  /**
+   * A CSS Collection optimizer.
+   *
+   * @var \Drupal\Core\Asset\AssetCollectionOptimizerInterface
+   */
+  protected $optimizer;
+
+  protected function setUp(): void {
+    parent::setUp();
+    $mock_grouper = $this->createMock(AssetCollectionGrouperInterface::class);
+    $mock_grouper->method('group')
+      ->willReturnCallback(function ($assets) {
+        return [
+          [
+            'items' => $assets,
+            'type' => 'file',
+            'preprocess' => TRUE,
+          ],
+        ];
+      });
+    $mock_optimizer = $this->createMock(AssetOptimizerInterface::class);
+    $mock_optimizer->method('optimize')
+      ->willReturn(
+        file_get_contents(__DIR__ . '/css_test_files/css_input_with_import.css.optimized.css'),
+        file_get_contents(__DIR__ . '/css_test_files/css_subfolder/css_input_with_import.css.optimized.css')
+      );
+    $mock_dumper = $this->createMock(AssetDumperInterface::class);
+    $mock_dumper->method('dump')
+      ->willReturnCallback(function ($css) {
+        $this->dumperData = $css;
+      });
+    $mock_state = $this->createMock(StateInterface::class);
+    $mock_file_system = $this->createMock(FileSystemInterface::class);
+    $this->optimizer = new CssCollectionOptimizer($mock_grouper, $mock_optimizer, $mock_dumper, $mock_state, $mock_file_system);
+  }
+
+  /**
+   * Test that css imports with strange letters do not destroy the css output.
+   */
+  public function testCssImport() {
+    $this->optimizer->optimize([
+      'core/modules/system/tests/modules/common_test/common_test_css_import.css' => [
+        'type' => 'file',
+        'data' => 'core/modules/system/tests/modules/common_test/common_test_css_import.css',
+        'preprocess' => TRUE,
+      ],
+      'core/modules/system/tests/modules/common_test/common_test_css_import_not_preprocessed.css' => [
+        'type' => 'file',
+        'data' => 'core/modules/system/tests/modules/common_test/common_test_css_import.css',
+        'preprocess' => TRUE,
+      ],
+    ]);
+    self::assertEquals(file_get_contents(__DIR__ . '/css_test_files/css_input_with_import.css.optimized.aggregated.css'), $this->dumperData);
+  }
+
+}
diff --git a/core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php b/core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php
index 782f3cd38391be446da81e57dab808bbb2dc2029..494c3ebbb2e4124a72c70fbd0ac958b0481fdfa8 100644
--- a/core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/CssOptimizerUnitTest.php
@@ -76,6 +76,8 @@ public function providerTestOptimize() {
       //   (https://www.drupal.org/node/1961340)
       // - Imported files that are external (protocol-relative URL or not)
       //   should not be expanded. (https://www.drupal.org/node/2014851)
+      //   Potential forms of @import might also include media queries.
+      //   (https://developer.mozilla.org/en-US/docs/Web/CSS/@import)
       [
         [
           'group' => -100,
@@ -87,7 +89,7 @@ public function providerTestOptimize() {
           'browsers' => ['IE' => TRUE, '!IE' => TRUE],
           'basename' => 'css_input_with_import.css',
         ],
-        str_replace('url(images/icon.png)', 'url(generated-relative-url:' . $path . 'images/icon.png)', file_get_contents($absolute_path . 'css_input_with_import.css.optimized.css')),
+        str_replace("url('import1.css')", 'url(generated-relative-url:' . $path . 'import1.css)', str_replace('url(images/icon.png)', 'url(generated-relative-url:' . $path . 'images/icon.png)', file_get_contents($absolute_path . 'css_input_with_import.css.optimized.css'))),
       ],
       // File. Tests:
       // - Retain comment hacks.
diff --git a/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css b/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css
index 34270ee6966444719889593624a4176fea37f762..d71b91b82007e00b466bb83fc42a18ff4b29ca03 100644
--- a/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css
+++ b/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css
@@ -1,9 +1,25 @@
 
 
-@import "import1.css";
+@import 'import1.css';
 @import "import2.css";
+@import url('import1.css');
+@import url("https://fonts.fontprovider.com/css2?family=Roboto+Mono:wght@300;400&family=Roboto:ital,wght@0,300;0,400;1,300;1,400&display=swap") print;
+@import url(import1.css);
+@import url('import1.css') screen;
 @import url("http://example.com/style.css");
 @import url("//example.com/style.css");
+@import url("https://fonts.fontprovider.com/css2?family=Roboto+Mono:wght@300;400&family=Roboto:ital,wght@0,300;0,400;1,300;1,400&display=swap");
+@import url("http://example.com/style.css") screen and (orientation:landscape);
+@import "http://example.com/style.css" screen;
+@import "http://example.com/style.css" supports(display: table-cell);
+@import "http://example.com/style.css" supports(display: table-cell) screen;
+@import url("http://example.com/style.css") screen and (orientation:landscape);
+@import url("http://example.com/style.css") screen;
+@import url("http://user:pass@example.com/style.css") screen and (orientation:landscape);
+@import url(http://example.com/cus\(t;om.css);
+@import url('http://example.com/cu(st;o)m.css');
+@import url("http://user:pass@example.com/cu(s)t;om.css");
+@import url(http://user:pass@example.com/cu\(s\)t;om.css);
 
 body {
   margin: 0;
@@ -29,4 +45,3 @@ textarea, select {
   font: 1em/160% Verdana, sans-serif;
   color: #494949;
 }
-
diff --git a/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css.optimized.aggregated.css b/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css.optimized.aggregated.css
new file mode 100644
index 0000000000000000000000000000000000000000..5ca58da466734c3048ec3ed45e07637c60ebe275
--- /dev/null
+++ b/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css.optimized.aggregated.css
@@ -0,0 +1,14 @@
+@import url("https://fonts.fontprovider.com/css2?family=Roboto+Mono:wght@300;400&family=Roboto:ital,wght@0,300;0,400;1,300;1,400&display=swap") print;@import url('import1.css') screen;@import url("http://example.com/style.css");@import url("//example.com/style.css");@import url("https://fonts.fontprovider.com/css2?family=Roboto+Mono:wght@300;400&family=Roboto:ital,wght@0,300;0,400;1,300;1,400&display=swap");@import url("http://example.com/style.css") screen and (orientation:landscape);@import "http://example.com/style.css" screen;@import "http://example.com/style.css" supports(display:table-cell);@import "http://example.com/style.css" supports(display:table-cell) screen;@import url("http://example.com/style.css") screen and (orientation:landscape);@import url("http://example.com/style.css") screen;@import url("http://user:pass@example.com/style.css") screen and (orientation:landscape);@import url(http://example.com/cus\(t;om.css);@import url('http://example.com/cu(st;o)m.css');@import url("http://user:pass@example.com/cu(s)t;om.css");@import url(http://user:pass@example.com/cu\(s\)t;om.css);ul,select{font:1em/160% Verdana,sans-serif;color:#494949;}.ui-icon{background-image:url(images/icon.png);}.data .double-quote{background-image:url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7");}.data .single-quote{background-image:url('data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDACAWGBwYFCAcGhwkIiAmMFA0MCwsMGJGSjpQdGZ6eHJmcG6AkLicgIiuim5woNqirr7EztDOfJri8uDI8LjKzsb/2wBDASIkJDAqMF40NF7GhHCExsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsb/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAb/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AKAAH//Z');}.data .no-quote{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAEAQAAAAAo/mtHAAAAIElEQVQIHWMRnWHwcRNLN8NZ7QYWwT8PlBlYsgqVBRsAankIMw5MtnoAAAAASUVORK5CYII=);}
+p,select{font:1em/160% Verdana,sans-serif;color:#494949;}
+ul,select{font:1em/160% Verdana,sans-serif;color:#494949;}.ui-icon{background-image:url(images/icon.png);}.data .double-quote{background-image:url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7");}.data .single-quote{background-image:url('data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDACAWGBwYFCAcGhwkIiAmMFA0MCwsMGJGSjpQdGZ6eHJmcG6AkLicgIiuim5woNqirr7EztDOfJri8uDI8LjKzsb/2wBDASIkJDAqMF40NF7GhHCExsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsb/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAb/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AKAAH//Z');}.data .no-quote{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAEAQAAAAAo/mtHAAAAIElEQVQIHWMRnWHwcRNLN8NZ7QYWwT8PlBlYsgqVBRsAankIMw5MtnoAAAAASUVORK5CYII=);}
+ul,select{font:1em/160% Verdana,sans-serif;color:#494949;}.ui-icon{background-image:url(images/icon.png);}.data .double-quote{background-image:url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7");}.data .single-quote{background-image:url('data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDACAWGBwYFCAcGhwkIiAmMFA0MCwsMGJGSjpQdGZ6eHJmcG6AkLicgIiuim5woNqirr7EztDOfJri8uDI8LjKzsb/2wBDASIkJDAqMF40NF7GhHCExsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsb/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAb/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AKAAH//Z');}.data .no-quote{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAEAQAAAAAo/mtHAAAAIElEQVQIHWMRnWHwcRNLN8NZ7QYWwT8PlBlYsgqVBRsAankIMw5MtnoAAAAASUVORK5CYII=);}
+body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}.this
+.is
+.a
+.test{font:1em/100% Verdana,sans-serif;color:#494949;}textarea,select{font:1em/160% Verdana,sans-serif;color:#494949;}
+ul,select{font:1em/160% Verdana,sans-serif;color:#494949;}.ui-icon{background-image:url(../images/icon.png);}.data .double-quote{background-image:url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7");}.data .single-quote{background-image:url('data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDACAWGBwYFCAcGhwkIiAmMFA0MCwsMGJGSjpQdGZ6eHJmcG6AkLicgIiuim5woNqirr7EztDOfJri8uDI8LjKzsb/2wBDASIkJDAqMF40NF7GhHCExsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsb/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAb/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AKAAH//Z');}.data .no-quote{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAEAQAAAAAo/mtHAAAAIElEQVQIHWMRnWHwcRNLN8NZ7QYWwT8PlBlYsgqVBRsAankIMw5MtnoAAAAASUVORK5CYII=);}
+p,select{font:1em/160% Verdana,sans-serif;color:#494949;}
+body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}.this
+.is
+.a
+.test{font:1em/100% Verdana,sans-serif;color:#494949;}textarea,select{font:1em/160% Verdana,sans-serif;color:#494949;}
diff --git a/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css.optimized.css b/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css.optimized.css
index 16bd93be7ede890e186df3573dc878a81f12f10f..a35ef29adb1dab70c32bbd9533b551a1e272fef1 100644
--- a/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css.optimized.css
+++ b/core/tests/Drupal/Tests/Core/Asset/css_test_files/css_input_with_import.css.optimized.css
@@ -1,6 +1,8 @@
 ul,select{font:1em/160% Verdana,sans-serif;color:#494949;}.ui-icon{background-image:url(images/icon.png);}.data .double-quote{background-image:url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7");}.data .single-quote{background-image:url('data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDACAWGBwYFCAcGhwkIiAmMFA0MCwsMGJGSjpQdGZ6eHJmcG6AkLicgIiuim5woNqirr7EztDOfJri8uDI8LjKzsb/2wBDASIkJDAqMF40NF7GhHCExsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsb/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAb/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AKAAH//Z');}.data .no-quote{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAEAQAAAAAo/mtHAAAAIElEQVQIHWMRnWHwcRNLN8NZ7QYWwT8PlBlYsgqVBRsAankIMw5MtnoAAAAASUVORK5CYII=);}
 p,select{font:1em/160% Verdana,sans-serif;color:#494949;}
-@import url("http://example.com/style.css");@import url("//example.com/style.css");body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}.this
+ul,select{font:1em/160% Verdana,sans-serif;color:#494949;}.ui-icon{background-image:url(images/icon.png);}.data .double-quote{background-image:url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7");}.data .single-quote{background-image:url('data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDACAWGBwYFCAcGhwkIiAmMFA0MCwsMGJGSjpQdGZ6eHJmcG6AkLicgIiuim5woNqirr7EztDOfJri8uDI8LjKzsb/2wBDASIkJDAqMF40NF7GhHCExsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsb/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAb/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AKAAH//Z');}.data .no-quote{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAEAQAAAAAo/mtHAAAAIElEQVQIHWMRnWHwcRNLN8NZ7QYWwT8PlBlYsgqVBRsAankIMw5MtnoAAAAASUVORK5CYII=);}
+@import url("https://fonts.fontprovider.com/css2?family=Roboto+Mono:wght@300;400&family=Roboto:ital,wght@0,300;0,400;1,300;1,400&display=swap") print;ul,select{font:1em/160% Verdana,sans-serif;color:#494949;}.ui-icon{background-image:url(images/icon.png);}.data .double-quote{background-image:url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7");}.data .single-quote{background-image:url('data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDACAWGBwYFCAcGhwkIiAmMFA0MCwsMGJGSjpQdGZ6eHJmcG6AkLicgIiuim5woNqirr7EztDOfJri8uDI8LjKzsb/2wBDASIkJDAqMF40NF7GhHCExsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsbGxsb/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAb/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFAEBAAAAAAAAAAAAAAAAAAAAAP/EABQRAQAAAAAAAAAAAAAAAAAAAAD/2gAMAwEAAhEDEQA/AKAAH//Z');}.data .no-quote{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAEAQAAAAAo/mtHAAAAIElEQVQIHWMRnWHwcRNLN8NZ7QYWwT8PlBlYsgqVBRsAankIMw5MtnoAAAAASUVORK5CYII=);}
+@import url('import1.css') screen;@import url("http://example.com/style.css");@import url("//example.com/style.css");@import url("https://fonts.fontprovider.com/css2?family=Roboto+Mono:wght@300;400&family=Roboto:ital,wght@0,300;0,400;1,300;1,400&display=swap");@import url("http://example.com/style.css") screen and (orientation:landscape);@import "http://example.com/style.css" screen;@import "http://example.com/style.css" supports(display:table-cell);@import "http://example.com/style.css" supports(display:table-cell) screen;@import url("http://example.com/style.css") screen and (orientation:landscape);@import url("http://example.com/style.css") screen;@import url("http://user:pass@example.com/style.css") screen and (orientation:landscape);@import url(http://example.com/cus\(t;om.css);@import url('http://example.com/cu(st;o)m.css');@import url("http://user:pass@example.com/cu(s)t;om.css");@import url(http://user:pass@example.com/cu\(s\)t;om.css);body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}.this
 .is
 .a
 .test{font:1em/100% Verdana,sans-serif;color:#494949;}textarea,select{font:1em/160% Verdana,sans-serif;color:#494949;}