.modal_success_contact{
    position: fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    color: white;
    background: rgba(183, 183, 183, 0.6);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:9999;
}

.modal_success_contact_box{
    background:#fff;
    padding:30px 40px;
    border-radius:8px;
    max-width:420px;
    width:90%;
    text-align:center;
    position:relative;
    box-shadow:0 10px 30px rgba(0,0,0,0.25);
}

.modal_success_contact_close{
    position:absolute;
    top:10px;
    right:14px;
    font-size:22px;
    cursor:pointer;
}