body {
	font-family: Arial, sans-serif;
	font-size:18px;
	line-height:160%;
	text-align: center;
	padding: 50px;
    }
.logo{
	width: 140px;
	height:auto;
	margin:25px auto;
	}
button{
	font-size: 20px;
	padding: 10px 20px;
	background-color: #007BFF;
	color: white;
	border: none;
	border-radius: 5px;
	cursor: pointer;
    }
button:active {
	background-color: #cc0033;
    }
.box_left {
	text-align:left;
	width:60%;
	margin-left:auto;
	margin-right:auto;
	padding: 10px 20px;
	border: 1px solid #888;
	border-radius: 15px 15px 0px 15px;
    }
.box_right {
	text-align:left;
	width:60%;
	margin-left:auto;
	margin-right:auto;
	padding: 10px 20px;
	border: 1px solid #888;
	border-radius: 15px 15px 15px 0px;
	background-color:#eee;
    }