.textotooltip{
visibility:hidden;
position:absolute;		
width:200px;
		background-color:red;
		color:black;
		padding:10px;
		
		margin-top:40px;
		margin-left:-150px;
		border-radius:15px;
		
}


.tooltip:hover .textotooltip{
		visibility:visible;
}


.textotooltip:after {
		content:" ";
		position:absolute;
		bottom:100%;
		left:50%;
		border-width:5px;
		border-style:solid;
		border-color:transparent 
				transparent red transparent;
}