html,body, iframe, div, ul, li, a{margin:0; padding:0;}
#menu{width:100%; margin:0 auto;}
#menu > #btn_menu{width:100%; height:auto; background:#efefef; text-align:right; border-bottom:solid 1px #FFF;}
#menu > #btn_menu ul{width:40px; height:40px; background:#aaa;}
#menu > #btn_menu ul li{list-style:none;}
#menu > #list_menu{width:100%; height:auto; margin-right:10px; display:inline-block;}
#menu > #list_menu a{display:block; width:100%; padding:5px 15px; text-decoration:none; color:#444; background:#efefef; border-bottom:solid 1px #FFF;}
#menu > #list_menu a:hover{}
#content_iframe{width:100%; background:#555;}