diff --git a/css/common.css b/css/common.css
new file mode 100644
index 0000000..9b0b6cc
--- /dev/null
+++ b/css/common.css
@@ -0,0 +1,4 @@
+body {
+  background-color: #eee;
+  color: #444;
+}
diff --git a/css/editor.css b/css/editor.css
new file mode 100644
index 0000000..789d5fd
--- /dev/null
+++ b/css/editor.css
@@ -0,0 +1,8 @@
+#cardEditor {
+  position: fixed;
+  top: 0;
+  right: 0;
+  background-color: gray;
+  padding: 10px;
+  border-radius: 3px;
+}