.cfdb7 .extension {
    width: 29.7%;
    border: 1px #888 solid;
    padding: 7px;
    margin: 5px;
    float: left;
    text-align: center;
    min-height: 330px;
}
.cfdb7 h3{
	text-align: center;
}
.cfdb7 .button{
	text-align: center;
}



@media (max-width: 767.98px) { 
    .cfdb7 .extension{
        width:93%;
    }
}