.container {
    margin-left: 30px;
}

.button-open {

    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: #12b912;
    border-radius: 400px;
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.3),
        /* внешняя тень */
        inset 0 0 20px rgba(255, 255, 255, 0.1);
    /* внутренняя тень */

    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 90px;
    cursor: pointer;
}

/* ======================= */


.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #000010c1;
    /* полупрозрачный черный фон */
    justify-content: center;
    align-items: center;



    /* для перехода */
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.window {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    position: relative;
    height: 400px;
    width: 400px;
    border-radius: 400px;
    background: rgba(255, 0, 0, 0.75);
    /* отсутпы */
    padding: 2rem;
    color: white;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}



.button-close {
    position: absolute;
    background: rgb(191, 0, 0);
    color: white;
    font-size: 30px;
    left: 47%;
    top: 87%;
    cursor: pointer;
}

.window-text {
    text-align: center;
    font-size: 30px;
}