body.open-modal {
    overflow-y: hidden;
    margin-right: 1.05rem;
}

#modal_body {
    position: relative;
}

#modal_bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.6);
    z-index: -1;
}

#modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    overflow: hidden;
    overflow-y: scroll;
    padding: 0 10px;
}

#modal_close {
    position: absolute;
    top: -25px;
    right: -10px;
    width: 50px;
    height: 50px;
    background-color: var(--color1);
    border: 2px solid var(--color1);
    border-radius: 50%;
    padding: 10px;
    cursor: pointer;
    transition: .3s;
}

#modal_close svg {
    fill: #fff;
    transition: .3s;
}

#modal_box.big-modal {
    max-width: 1200px;
}

#modal_box {
    background-color: #fff;
    max-width: 680px;
    padding: 20px;
    position: relative;
    border-radius: 20px;
    margin: 60px 0 0 0;
}

@media (min-width: 768px){
    #modal_box.big-modal {
        margin: 80px 0 0 0;
    }
    #modal_close:hover svg {
        fill: var(--color1);
        transform: rotate(90deg);
    }
    #modal_close:hover {
        background-color: #fff;
        border: 2px solid #d3d3d3;
    }
    #modal_close {
        top: -25px;
        right: -25px;
    }
    #modal {
        padding: 0 40px;
    }
    #modal_box {
        margin: 80px auto 0 auto;
        padding: 40px;
    }
}

@media (min-width: 1120px){
    #modal_box.big-modal {
        margin: 80px auto 0 auto;
    }
    #modal {
        padding: 0 60px;
    }
}

.video-wrap {
    position: relative;
    padding-bottom: 56.25%; /* задаёт высоту контейнера для 16:9 (если 4:3 — поставьте 75%) */
    height: 0;
    overflow: hidden;
}
.video-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-width: 0;
    outline-width: 0;
}