diff --git a/src/console/index.html b/src/console/index.html
index 52ecb76..e049b5e 100644
--- a/src/console/index.html
+++ b/src/console/index.html
@@ -7,7 +7,7 @@
   </head>
   <body class='vimvixen-console'>
     <p class='vimvixen-console-message'></p>
-    <div id='vimvixen-console-command'>
+    <div id='vimvixen-console-command' class='vimvixen-console-command-wrapper'>
       <ul id='vimvixen-console-completion' class='vimvixen-console-completion'></ul>
       <div class='vimvixen-console-command'>
         <i class='vimvixen-console-command-prompt'></i><input
diff --git a/src/console/site.scss b/src/console/site.scss
index cd40db5..5aaea12 100644
--- a/src/console/site.scss
+++ b/src/console/site.scss
@@ -12,7 +12,6 @@ body {
 }
 
 .vimvixen-console {
-  border-top: 1px solid gray;
   bottom: 0;
   margin: 0;
   padding: 0;
@@ -24,6 +23,10 @@ body {
     line-height: 16px;
   }
 
+  &-command-wrapper {
+    border-top: 1px solid gray;
+  }
+
   &-completion {
     background-color: white;
 
diff --git a/src/content/components/common/hint.css b/src/content/components/common/hint.css
index 119dd21..1f2ab20 100644
--- a/src/content/components/common/hint.css
+++ b/src/content/components/common/hint.css
@@ -4,7 +4,7 @@
   font-weight: bold;
   position: absolute;
   text-transform: uppercase;
-  z-index: 100000;
+  z-index: 2147483647;
   font-size: 12px;
   color: black;
 }
diff --git a/src/content/console-frame.scss b/src/content/console-frame.scss
index 33bfff3..dece648 100644
--- a/src/content/console-frame.scss
+++ b/src/content/console-frame.scss
@@ -6,7 +6,8 @@
   width: 100%;
   height: 100%;
   position: fixed;
-  z-index: 10000;
+  z-index: 2147483647;
   border: none;
+  background-color: unset;
   pointer-events:none;
 }
