.cs-service-item__icon:hover:after {
    left: -10%;
    top: -10%;
    width: 120% !important;
    height: 120% !important;
}

i.cs-service-item__icon {
    transition: all .4s ease-in-out;
}

.cs-service-item__icon:hover{
    color: #ffffff; 
    background-color: #08deba;
}