#section_4_1{
    margin-top: 50px;
}

#section_5{
    background-image: url(../img/wrok/3.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}

.s9_txt li{
    font-size: 21px;
    margin-bottom: 30px;
}

#section_6{
    margin-top: 50px;
}

#section_7{
    background-image: url(../img/wrok/4.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}

#in_s7,#in_s8{
    padding: 70px 0;
}

#in_s7_1{
    padding-top: 70px;
}

#section_8{
    background-image: url(../img/wrok/1.jpg);
    background-size: cover;
    background-repeat: no-repeat;   
}