.big-banner {
    margin-top: -69px;
    width: 100%;
    position: relative;
}

@media screen and (max-width: 999px) {
    .big-banner {
        margin-top: 0;
    }
}

.big-banner__tel {
    position: absolute;
    bottom: 23%;
    left: 23%;
    width: 20%;
    height: 28%;
}

@media screen and (max-width: 767px) {
.big-banner__contact {
    bottom: 23%;
    right: 15%;
    width: 70%;
    height: 15%;
}

.big-banner__tel {
    bottom: 46%;
    left: 15%;
    width: 71%;
    height: 17%;
}
}