.side{
	border: 2px solid red;
	float: left;
	margin: 10px; 
	padding:10px;
	width: 180px;

	min-height: 400px;
	height: auto !important;
	height: 400px;
}

.center{
	border: 2px solid red; 
	float: left;
	margin: 10px; 
	padding: 10px;
	width: 500px;
	min-height: 400px;
	height: auto !important;
	height: 400px;
}

.platu{
	border: 2px solid red; 
	float: left;
	margin: 10px; 
	padding: 10px;
	width: 724px;
	min-height: 400px;
	height: auto !important;
	height: 400px;
}

.ok_message{
	border: 2px solid green;
	margin: 10px;
	padding: 10px;
	width: 95%;
}


.error_message{
	border: 2px solid red;
	margin: 10px;
	padding: 10px;
	width: 95%;
}


.warning_message{
	border: 2px solid #FF8820;
	margin: 10px;
	padding: 10px;
	width: 95%;
}