body{
	background:#dcdcdc;
}
.otsan_body{
	 /*color: black;
    font-family: Arial;
    font-size: 12px;*/
    height: auto;
    margin: 0 auto;
    width: 920px;
}

.logo_otsan{
	margin-top:100px;
	text-align:center;
}
.logo{
	width:50%;
}

.letras{
	color: black;
    font-family: Arial;
    font-size: 14px;
	margin-top:50px;
}