@media only screen and (max-width: 640px) {
    .pos_n_1{
        float: left;
        margin-left: 0;
    }
    .pos_n_2{
        float: right;
        margin-right: 0;
    }
    .pos_n_3{
        float: left;
        margin-left: 30%;
        margin-right: 0%;
        margin-top: -10px;
        margin-bottom: 5px;
    }
    .pos_n_4{
        float: left;
        margin-left: 0;
    }
    .pos_n_5{
        float: right;
        margin-right: 0;
    }
    .onsver_girl_too{
        display: block;
        position: absolute;
        left: 35%;
        top: 860px;
    }
    .arrow_form{
        width: 30%;
        margin-right: 10px;
    }

    .section_4{
        background: url('../img/640_05.jpg');
        height: 275px;
    }
    .decsription_to_form{
        float: right;
        line-height: 30px;
        margin-top: 20px;
        width: 45%;
        position: absolute;
        left: 10px;
    }
    .decsription_to_form_section_7{
        float: left;
        line-height: 22px;
        margin-left: 10px;
        margin-top: 20px;
        padding-top: 0px;
        width: 50%;
        padding-left: 20px;
    }
    .decsription_to_form_section_10{
        float: right;
        line-height: 30px;
        margin-top: 15%;
        width: 45%;
    }
    .block_form_too{
        width: 267px;
        height: 344px;
        background: #02bcc3;
        border-radius: 4px;
        box-shadow: 3px 3px 3px rgba(0,0,0,0.4);
        float: right;
        margin-top: -35px;
        position: absolute;
        right: 0;
    }

    .block_form_section_7{
        width: 267px;
        height: 320px;
        background: #02bcc3;
        border-radius: 4px;
        box-shadow: 3px 3px 3px rgba(0,0,0,0.4);
        float: right;
        margin-top: -3px;
    }
    .block_form_too_section_10{
        width: 267px;
        height: 344px;
        background: #02bcc3;
        border-radius: 4px;
        box-shadow: 3px 3px 3px rgba(0,0,0,0.4);
        float: right;
        margin-top: 40px;
        margin-right: 25px;
    }
    .conteyner_form_text{
        float: right;
        width: 100%;
        margin-top: 0;
    }
    .block_logo_top{
        margin-left: 10px;
    }
    .section_1{
        width: 100%;
        height: 402px;
        background: url('../img/new-mini_bg_section_1.png');
        background-repeat: no-repeat;
        background-position: top, center;
    }
    .pos1{
        width: 27%;
        margin-left: 2%;
        margin-right: 4%;
    }
    .pos2{
        width: 25%;
        margin-right: 3%;
    }
    .pos3{
        width: 27%;;
        margin-right:4%;
    }
    .pos4{
        width: 30%;
        margin-left: 13%;
        margin-right: 8%;
        margin-top: 20px;
        float: left;
    }
    .pos5{
        width: 30%;
        margin-right: 0;
        margin-top: 20px;
        float: left;
    }
    .slogan_section{
    margin-top: 100px;
        display: none;
    }
    .block_keep_question {margin-top: -30px;}
    .slogan_section_header{
        display: none;
        font-size: 20px;
        color: #000;
        text-align: center;
        margin: auto;
        margin-top: 20px;
        margin-bottom: -20px;
    }

    .prev_slide{
        left: 25px;
        top: 42%;
    }
    .next_slide{
        right: 25px;
        top: 80%;
    }
    .viz_bottom{
        margin-top: -110px;
    }
    .commets_text{
        width: 65%;
        float: right;
    }
    .timer_big{
        margin-left: 0px;
        line-height: 30px;
    }
    .text_work_pos_2{
        float: right;
        width: 75%;
        margin-right: 5%;
        margin-bottom: 20px;
    }
    .text_work_pos_3{
        float: left;
        width: 75%;
        margin-left: 5%; 
        margin-bottom: 20px;
    }
    .text_work_pos_4{
        float: right;
        margin-right: 5%;
        width: 75%;
        margin-bottom: 20px;
    }
    .text_work_pos_5{
        float: left;
        margin-left: 5%;
        width: 75%;
        background: #fff;
        z-index: 100;
    }

    .block_how_work{
        width: 95%;
    }
    .gallery{
        max-width: 640px;
        width: 100%;
        overflow: hidden;
        margin: auto;
    }
    .body_gellary{
        height: 300px;
    }
    .block_form_model_view{
        left: 27%; 
    }
    .model_window_security{
        left: 7%;
    }
    .conteyner_form_text2 {width: 100%; margin-top: -10px;}
    .section_10 {background-position: top right;}
    
    .block_title_section2 {display: none; text-align: right; width: 180px; float: right; margin-right: 290px; margin-top: 85px;}

}