.popup{
    width: fit-content;
    position: absolute;
    transform: translate(-50%,-50%);
    left: 50%;
    right: 50%;
    border-radius: 0px;
    display: none;
    z-index: 1030;
    top: 400px;
    background-color: white;

    box-shadow: 0 0 20px 4px #00000054;
    text-decoration: none;
}
.popup button{
    display: block;
    margin: -70px 150px -10px auto;
    background-color: #ffffff;
    font-size: 50px;
    color: #ff0000;
    border: none;
    outline: none;
    cursor: pointer;
    z-index: 1030;
    
}

@media (max-width: 767px){ .popup { top: 300px!important;}}