diff --git a/css/login.css b/css/login.css
index b46e9bc1..345dcc1f 100644
--- a/css/login.css
+++ b/css/login.css
@@ -85,4 +85,22 @@ input::-webkit-input-placeholder {
 
     display: flex;
     align-items: center;
-}
\ No newline at end of file
+}
+
+#btn_kakao_login{
+    cursor: pointer;
+    height:46px;
+    width:116px;
+    background-color: transparent;
+    color:transparent;
+    border:0;
+    background-size: 100%; /* To fill the dimensions of container (button), or */
+    background-repeat: no-repeat;
+    background-position: bottom center;
+    margin-top:5px;
+    background-image:url('../oauth_kakao/kakao_login_join.png');
+}
+
+#btn_kakao_login:hover {
+    background-image:url('../oauth_kakao/kakao_login_join_ov.png');
+} 
\ No newline at end of file
diff --git a/index.php b/index.php
index 9a4c6d94..191b2614 100644
--- a/index.php
+++ b/index.php
@@ -50,7 +50,6 @@ function getOAuthToken(mode='login', scope_list = null){
     }
 
     window.open(url,"KakaoAccountLogin","width=600,height=450");
-
 }
 
 function sendTempPasswordToKakaoTalk(){
@@ -117,7 +116,7 @@ function postOAuthResult(result){
                         <label for="username" class="col-sm-4 col-form-label">계정명</label>
                         <div class="col-sm-8">
                             <input autocomplete="username" type="text" class="form-control"
-                                name="username" id="username"  placeholder="계정명"/>
+                                name="username" id="username" autofocus="autofocus" placeholder="계정명"/>
                         </div>
                     </div>
 
@@ -132,7 +131,7 @@ function postOAuthResult(result){
 
                     <input type="hidden" id="global_salt" name="global_salt" value="<?=RootDB::getGlobalSalt()?>">
                     <div class="form-group row">
-                        <div class="col-sm-4" style="position:relative;"><a href="javascript:getOAuthToken('login');"><img style="height:46px;margin-top:6px;" src="oauth_kakao/kakao_btn.png"></a></div>
+                        <div class="col-sm-4" style="position:relative;"><button type="button" onclick="getOAuthToken('login');" id="btn_kakao_login" title="카카오톡으로 가입&amp;로그인"></button></div>
                         <div class="col-sm-8">
                             <button type="submit" class="btn btn-primary btn-lg btn-block login-button">로그인</button>
                         </div>