.boto.c2 {background:#9b59b6;}
.boto.c2:hover {background:#7B1FA2;}

.boto.c22 {background:#7B1FA2;}
.boto.c22:hover {background:#7B1FA2;}
.boto 
{display:inline-block;
width:170px;
font-size:1.5em;	
background:#7f8c8d;
font-family:calibri;
color:white;
margin:10px;
margin-left:50px;
padding:40 8px;
text-align:center;
border-radius:15px;
text-decoration:none;
box-shadow:10px 10px 10px #373c3c;
}