.add-icon, .del-icon, .details-icon{
    color: black;
    text-decoration: none;
}
.add-icon:hover, .del-icon:hover, .details-icon:hover{
    cursor: pointer;
}

.add-icon:hover{
    color: green;
}

.del-icon:hover{
    color: red;
}

.details-icon:hover{
    color: blue;
}