diff --git a/install/install.inc.php b/install/install.inc.php
index 5ebe68597..0205dd74b 100644
--- a/install/install.inc.php
+++ b/install/install.inc.php
@@ -14,9 +14,11 @@ if (!$title) $title = "그누보드4S 설치";
 body {margin:0;padding:0;background:#f7f7f7}
 h1 {margin:50px auto 30px;width:540px;font-size:1.4em}
 p {line-height:1.5em}
-table {width:100%;border-collapse:collapse;border-spacing:0}
+table {width:100%;border-collapse:collapse;border-spacing:0;font-size:0.895em}
+caption {padding:0 0 20px;font-weight:bold;text-align:left}
 th,td {padding:5px;border:1px solid #ddd}
 th {text-align:left}
+td span {display:block;margin:0 0 5px;color:#666;font-size:0.9em}
 
 #wrapper {margin:0 auto;padding:20px;width:500px;border:1px solid #eee;background:#fff}
 
diff --git a/install/install_config.php b/install/install_config.php
index 3f44bc7a7..7e8b55342 100644
--- a/install/install_config.php
+++ b/install/install_config.php
@@ -19,8 +19,12 @@ if ($_POST['agree'] != '동의함') {
 ?>
 
     <form id="frm_install" method="post" action="./install_db.php" onsubmit="return frm_install_submit(this)">
-    <table border>
+    <table style="margin-bottom:30px">
     <caption>MySQL 정보입력</caption>
+    <colgroup>
+        <col style="width:150px">
+        <col>
+    </colgroup>
     <tbody>
     <tr>
         <th scope="row"><label for="">Host</label></th>
@@ -49,15 +53,15 @@ if ($_POST['agree'] != '동의함') {
     <tr>
         <th scope="row"><label for="">Port</label></th>
         <td>
+            <span>가능한 변경하지 마십시오.</span>
             <input name="mysql_port" type="text" value="3306" id="mysql_port">
-            <br>가능한 변경하지 마십시오.
         </td>
     </tr>
     <tr>
         <th scope="row"><label for="">TABLE명 접두사</label></th>
         <td>
+            <span>가능한 변경하지 마십시오.</span>
             <input name="table_prefix" type="text" value="g4s_" id="table_prefix">
-            <br>가능한 변경하지 마십시오.
         </td>
     </tr>
     </tbody>
@@ -65,6 +69,11 @@ if ($_POST['agree'] != '동의함') {
 
     <table border>
     <caption>최고관리자 정보입력</caption>
+    <colgroup>
+        <col style="width:150px">
+        <col>
+    </colgroup>
+    <tbody>
     <tr>
         <th scope="row"><label for="">회원 ID</label></th>
         <td>
@@ -89,6 +98,7 @@ if ($_POST['agree'] != '동의함') {
             <input name="admin_email" type="text" value="admin@domain.com" id="admin_email">
         </td>
     </tr>
+    </tbody>
     </table>
 
 </div>