.img-main {
    background-color: #394859;
    background-image: url('images/img-main.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

@media (max-width: 770px) {
    .img-main {
       
    }
}

@media (max-width: 770px) {
    .img-main {
        background-image: url(images/img-mob.jpg);
    }
}

.icon-list {
    background-image: url(images/icon-list.svg);
    background-repeat: no-repeat;
    background-size: contain;
    height: 52px;
    width: 52px;
}

.icon-tg {
    background-image: url(images/icon-tg.svg);
    background-repeat: no-repeat;
    background-size: contain;
    height: 52px;
    width: 52px;
}

.icon-user {
    background-image: url(images/icon-user.svg);
    background-repeat: no-repeat;
    background-size: contain;
    height: 52px;
    width: 52px;
}