diff --git a/browser/main/modals/PreferencesModal/ConfigTab.styl b/browser/main/modals/PreferencesModal/ConfigTab.styl
index 75c8b0b4..968abef9 100644
--- a/browser/main/modals/PreferencesModal/ConfigTab.styl
+++ b/browser/main/modals/PreferencesModal/ConfigTab.styl
@@ -35,6 +35,10 @@
 .group-section-control select
   outline none
   border 1px solid $ui-borderColor
+  font-size 16px
+  height 30px
+  width 250px
+  margin-bottom 5px
   background-color transparent
 
 .group-section-control-input
diff --git a/browser/main/modals/PreferencesModal/UiTab.js b/browser/main/modals/PreferencesModal/UiTab.js
index 96c04ddf..0b911b49 100644
--- a/browser/main/modals/PreferencesModal/UiTab.js
+++ b/browser/main/modals/PreferencesModal/UiTab.js
@@ -90,9 +90,8 @@ class UiTab extends React.Component {
         <div styleName='group'>
           <div styleName='group-header'>UI</div>
 
-          <div styleName='group-header2'>Theme</div>
-
           <div styleName='group-section'>
+            Color Theme　
             <div styleName='group-section-control'>
               <select value={config.ui.theme}
                 onChange={(e) => this.handleUIChange(e)}