diff --git a/panel-black.png b/panel-black.png
deleted file mode 100644
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diff --git a/panel-blue.png b/panel-blue.png
deleted file mode 100644
index b688bcd..0000000
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diff --git a/panel-brown.png b/panel-brown.png
deleted file mode 100644
index c0a0ee4..0000000
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diff --git a/panel-deepPurple.png b/panel-deepPurple.png
deleted file mode 100644
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diff --git a/panel-indigo.png b/panel-indigo.png
deleted file mode 100644
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diff --git a/panel-orange.png b/panel-orange.png
deleted file mode 100644
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diff --git a/panel-pink.png b/panel-pink.png
deleted file mode 100644
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diff --git a/panel-red.png b/panel-red.png
deleted file mode 100644
index 2b1105d..0000000
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diff --git a/panel-sakuraPink.png b/panel-sakuraPink.png
deleted file mode 100644
index 5e91fcc..0000000
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diff --git a/panel-teal.png b/panel-teal.png
deleted file mode 100644
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diff --git a/theme-black.conf b/theme-black.conf
index dc520fd..4a0f2cc 100644
--- a/theme-black.conf
+++ b/theme-black.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 不出口
 [InputPanel/Background]
-Image=panel-black.png
+Color=#ffffff
+BorderColor=#000000
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-blue.conf b/theme-blue.conf
index 8962c7c..b3c09d7 100644
--- a/theme-blue.conf
+++ b/theme-blue.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-blue.png
+Color=#ffffff
+BorderColor=#2196F3
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-brown.conf b/theme-brown.conf
index a19689c..a640819 100644
--- a/theme-brown.conf
+++ b/theme-brown.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-brown.png
+Color=#ffffff
+BorderColor=#795548
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-deepPurple.conf b/theme-deepPurple.conf
index 0e5b1be..f3d51b4 100644
--- a/theme-deepPurple.conf
+++ b/theme-deepPurple.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-deepPurple.png
+Color=#ffffff
+BorderColor=#673AB7
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-indigo.conf b/theme-indigo.conf
index 4a5ca7f..9b49f05 100644
--- a/theme-indigo.conf
+++ b/theme-indigo.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-indigo.png
+Color=#ffffff
+BorderColor=#3F51B5
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-orange.conf b/theme-orange.conf
index bc5280f..8f395ea 100644
--- a/theme-orange.conf
+++ b/theme-orange.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-orange.png
+Color=#ffffff
+BorderColor=#FF8C00
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-pink.conf b/theme-pink.conf
index 33ebdfe..d4cb5f8 100644
--- a/theme-pink.conf
+++ b/theme-pink.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-pink.png
+Color=#ffffff
+BorderColor=#E91E63
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-red.conf b/theme-red.conf
index 0ac0855..85cca2f 100644
--- a/theme-red.conf
+++ b/theme-red.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-red.png
+Color=#ffffff
+BorderColor=#F44336
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-sakuraPink.conf b/theme-sakuraPink.conf
index 3600522..64011fe 100644
--- a/theme-sakuraPink.conf
+++ b/theme-sakuraPink.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-sakuraPink.png
+Color=#ffffff
+BorderColor=#ffc0cb
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2
diff --git a/theme-teal.conf b/theme-teal.conf
index f3932c9..c51db4b 100644
--- a/theme-teal.conf
+++ b/theme-teal.conf
@@ -30,7 +30,9 @@ Top=6
 Bottom=6
 
 [InputPanel/Background]
-Image=panel-teal.png
+Color=#ffffff
+BorderColor=#009688
+BorderWidth=2
 
 [InputPanel/Background/Margin]
 Left=2