.tooltip {
	position: relative;
	cursor: help;
	display: inline-block;
	text-decoration: none;
	color: #222;
	outline: none;
}
.tooltip span {
    font-family: "Roboto", sans-serif;
	color:#000000;
	font-size:12px;
	text-align: justify;
	font-weight:normal;
	text-decoration:none;
	visibility: hidden;
	position: absolute; 
	bottom: 28px;
	left: 50%;
	z-index: 999;
	width: 320px;
	margin-left: -176px;
	padding: 10px;
	border: 1px solid #ccc;
	-moz-opacity: 0.9;
	-webkit-opacity: 0.9;
	-ms-opacity: 0.9;
	-o-opacity: 0.9;
	opacity: 0.9; 
	background-color: #ddd;                    
	background-image: -webkit-linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	background-image: -moz-linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	background-image: -ms-linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	background-image: -o-linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	background-image: linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	-moz-border-radius: 4px;
	-webkit-border-radius: 4px;
	-ms-border-radius: 4px;
	-o-border-radius: 4px;	
	border-radius: 4px;  
	-moz-box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
	-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
	-ms-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
	-o-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
	box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;  
	text-shadow: 0 1px 0 rgba(255,255,255,.4); 
}
.tooltip:hover {
	border: 0;
}
.tooltip:hover span {
	-moz-opacity: 0.9;
	-webkit-opacity: 0.9;
	-ms-opacity: 0.9;
	-o-opacity: 0.9;
	opacity: 0.9;
	visibility: visible;
}
.tooltip span:before,
.tooltip span:after {
	content: "";
	position: absolute;
	z-index: 1000;
	bottom: -7px;
	left: 50%;
	margin-left: -3px;  
	border-top: 8px solid #ddd;
	border-left: 8px solid transparent;
	border-right: 8px solid transparent;        
	border-bottom: 0;
}
.tooltip span:before {
	border-top-color: #ccc;
	bottom: -8px;
}
.blue-tooltip span {
	border-color: #59add4;
	background-color: #61bde7;
}
.blue-tooltip span:after { 
	border-top-color: #61bde7;
}
.blue-tooltip span:before {
	border-top-color: #59add4;
}