.obot {
	background-color: #f0fff0 ; 
	border: solid 1px #66cc66 ; 
	border-radius: 6px;
	text-align: center;
	font-size:13px ;
	color:#003300;
	padding: 6px 12px 6px 12px;
	margin: 4px 4px 4px 4px;
}


.obot a {
	color:#000000 ;
	text-decoration:none;
}

.obot a:hover{
	color:#cc0000 ;
	text-decoration:none;
}

a.anchor {
    display: block;
    padding-top: 100px;
    margin-top: -100px;
}

.thksoa {
	background-color: #003300 ;
	border: solid 1px #cccccc ; 
	padding: 4px 4px 4px 4px ;
	margin: 0px;
	text-align:center;
	color:#ffffff ;
}


.btoku {
	background-color: #ff6600 ; 
	border: solid 1px #ff6600 ; 
	border-radius: 6px;
	text-align: center;
	font-size:12px ;
	color:#ffffff;
	padding: 3px 2px 2px 2px;
	margin: 2px 6px 2px 0px;
}