.callback-methods {
    display: flex;
    column-gap: 20px;
    flex-direction: row;
}
.callback-methods a {
    border: 1px #e6e6e6 solid;
    width: 60px;
    height: 60px;
    background: center center no-repeat;
    background-size: cover;
}
.callback-methods a.active {
    border: 1px #000 solid;
}
.callback-methods a.clb-phone {
    background-image: url(https://static.tildacdn.com/tild6361-3661-4165-b765-336164653239/1.svg);
}
.callback-methods a.clb-whatsapp {
    background-image: url('https://static.tildacdn.com/tild6134-6438-4532-b431-396535303739/2.svg');
}
.callback-methods a.clb-telegram {
    background-image: url('https://static.tildacdn.com/tild6430-6433-4364-b731-316536306431/3.svg');
}