Fix a few images not having attributes that Firefox wants

media/characters/artan/back.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Generator: Adobe Illustrator 25.3.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 947.02 1649.97" style="enable-background:new 0 0 947.02 1649.97;" xml:space="preserve">
+	 width="947.02" height="1649.97" viewBox="0 0 947.02 1649.97" style="enable-background:new 0 0 947.02 1649.97;" xml:space="preserve">
 <style type="text/css">
 	.st0{fill:#1A1A1A;}
 	.st1{fill:#333333;}

media/characters/artan/front.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Generator: Adobe Illustrator 25.3.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 952.91 1664.08" style="enable-background:new 0 0 952.91 1664.08;" xml:space="preserve">
+	 width="952.91" height="1664.08" viewBox="0 0 952.91 1664.08" style="enable-background:new 0 0 952.91 1664.08;" xml:space="preserve">
 <style type="text/css">
 	.st0{fill:#1A1A1A;}
 	.st1{fill:#333333;}

media/characters/fia-dreamweaver/front.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Generator: Adobe Illustrator 25.3.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 1334.19 1655.03" style="enable-background:new 0 0 1334.19 1655.03;" xml:space="preserve">
+	 width="1334.19" height="1655.03" viewBox="0 0 1334.19 1655.03" style="enable-background:new 0 0 1334.19 1655.03;" xml:space="preserve">
 <style type="text/css">
 	.st0{fill:#1A1A1A;}
 	.st1{fill:#333333;}

media/characters/moonlight-rose-jupiter/front.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Generator: Adobe Illustrator 25.3.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-	 viewBox="0 0 1241.98 1421.67" style="enable-background:new 0 0 1241.98 1421.67;" xml:space="preserve">
+	 width="1241.98" height="1421.67" viewBox="0 0 1241.98 1421.67" style="enable-background:new 0 0 1241.98 1421.67;" xml:space="preserve">
 <style type="text/css">
 	.st0{fill:#1A1A1A;}
 	.st1{fill:#333333;}