.interior_box_system {
    width: 480px;
    margin: 150px auto 0;
    text-align: center;
    position: fixed;
    left: 50%;
    margin-left: -240px;
    min-height: 1px;
    background: #fff;
    padding: 40px 30px 20px 30px;
}

.popup_bg_box .interior_box_system .btn_close {
    color: #00b4fc;
    position: absolute;
    right: 20px;
    top: 10px;
    font-weight: 600;
    font-size: 21px;
    font-family: Open Sans;
}

.btn_close:hover, .btn_close:active, .btn_close:focus {
    opacity: 0.8;
    cursor: pointer;
}

.popup_system .title_bl {
    color: #000;
    font-size: 24px;
    font-weight: 700; font-family: Roboto;
}

.popup_system .content_bl {
    font-family: Open Sans;
    font-size: 14px;
    line-height: 1.57;
    color: #2e4854;
    margin: 25px 0;
}

.popup_system .btn_popup_system {
    width: 180px;
    color: #fff;
    display: block;
    line-height: 40px;
    border-radius: 3px;
    background: #18b5f9;
    font-size: 16px;
    text-align: center;
    margin: 0 auto;
    text-transform: uppercase;
    border: none;
    font-weight: 700;
    font-family: Roboto;
}

.popup_system .btn_popup_system:hover, .popup_system .btn_popup_system:active, .popup_system .btn_popup_system:focus {
    opacity: 0.8;
    text-decoration: none;
    border: none;
    outline: none;
}


@media (min-width: 320px) and (max-width: 767px) {

    .interior_box_system {
        width: 290px;
        margin: 120px auto 0;
        text-align: center;
        position: fixed;
        left: 50%;
        margin-left: -145px;
        padding: 40px 20px 25px 20px;
    }

    .popup_system .title_bl {
        color: #000;
        font-size: 22px;
        font-weight: 700; font-family: Roboto;
    }


    .popup_system .content_bl {
        font-family: Open Sans;
        font-size: 12px;
        line-height: 1.57;
        color: #2e4854;
        margin: 25px 0;
    }

    .popup_system .btn_popup_system {
        width: 120px;
        line-height: 35px;
        font-size: 14px;
    }

}