#course-block-teacher-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 99999;
    -webkit-transform: none;
}
.popup-teacher {
    font-family: 'Wix Madefor Display';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    text-align: center;
    border-radius: 20px;
}
.popup-teacher__close {
    position: absolute;
    right: 23px;
    font-size: 40px;
    cursor: pointer;
    font-weight: 100;
    line-height: 49px;
}
@media (max-width: 980px) {
    .popup-teacher {
        width: 70%;
    }
}

@media (max-width: 670px) {
    .popup-teacher {
        width: 90%;
    }
}