.service-style-1 .sigma_service,
.service-style-2 .sigma_service,
.service-style-3 .sigma_service {
    display: block;
    background-color: #fff;
    border: 1px solid #efefef;
    padding: 40px;
    text-align: center;
    transition: .3s;
    margin-bottom: 30px;
}
.service-style-2 .sigma_service{
  border:none;
}
.service-style-1 .sigma_service.style-2 {
    background-color: transparent;
    box-shadow: none;
    text-align: left;
    padding: 0;
}
.sigma_service.style-2 .sigma_service-thumb {
    position: relative;
    margin: 0;
    z-index: 1;
}
.sigma_service.style-2 .sigma_service-thumb::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.4);
    transition: .3s;
    opacity: 0;
    visibility: hidden;
}
.sigma_service.style-2 i {
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    color: #fff;
    transition: .3s;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -50%);
    font-size: 60px;
    line-height: 1;
}
.sigma_service.style-2 .sigma_service-body {
    padding: 30px;
    background: #fff;
}
.sigma_service.style-2 h5 {
    margin-bottom: 20px;
}
.sigma_service.style-2 p {
    margin: 0;
}
.sigma_service:hover {
    transform: translateY(-3px);
}
.sigma_service.style-2:hover .sigma_service-thumb::before {
    opacity: 1;
    visibility: visible;
}
.sigma_service.style-2:hover i {
    opacity: 1;
    visibility: visible;
}
.sigma_service.style-2 .sigma_service-thumb img {
    width: 100%;
}
/* style 2 */
.service-style-2 .sigma_service-thumb i {
    font-size: 60px;
    color: #9ecf36;
    line-height: 1;
    transition: .3s;
}
.service-style-2 .sigma_service-thumb {
    margin-bottom: 40px;
}
.service-style-2 .sigma_service-body h5,
.service-style-3 .sigma_service-body h {
    margin-bottom: 10px;
    transition: 0.3s;
}
.service-style-2 .sigma_service-body h5 p,
.service-style-3 .sigma_service-body h5 p {
    margin: 0;
    transition: 0.3s;
}
.service-style-2 .sigma_service .btn-link,
.service-style-3 .sigma_service .btn-link {
    margin-top: 20px;
    display: block;
    position: relative;
    color: #212121;
    font-weight: 700;
    font-style: normal;
    font-size: 14px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
}
.service-style-2 .sigma_service .btn-link i,
.service-style-3 .sigma_service .btn-link i {
    font-size: 14px;
    color: #212121;
    margin-left: 5px;
    transition: 0.3s;
}
.service-style-2 .sigma_service.style-1 .btn-link:hover i,
.service-style-3 .sigma_service.style-1 .btn-link:hover i {
    transform: translateX(5px);
    transition: 0.3s;
}
/*  style 3 */
.service-style-3 .sigma_service .sigma_service-thumb {
    position: relative;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    margin: 0 auto 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #efefef;
}
.service-style-3 .sigma_service .sigma_service-thumb::before {
    content: '';
    position: absolute;
    top: 10px;
    right: 17px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #9ecf36;
    transition: .3s;
}
.service-style-3 .sigma_service i {
    font-size: 60px;
    color: #9ecf36;
    line-height: 1;
    transition: .3s;
}
.service-style-3 .sigma_service .sigma_service-thumb::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 17px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #9ecf36;
    transition: .3s;
}
.service-style-3 .sigma_service:hover .sigma_service-thumb::before {
    top: -4px;
    right: 47px;
}
.service-style-3 .sigma_service:hover .sigma_service-thumb::after {
    bottom: -4px;
    left: 47px;
}
.custom-text-btn {
    font-weight: 700;
    font-style: normal;
    font-size: 14px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
}
.custom-text-btn i {
    margin-left: 5px;
    transition: 0.3s;
}
.custom-text-btn:hover i{
    transform: translateX(5px);
    transition: 0.3s;
}