@media only screen and (max-width:1200px){
    #side_menu{
        left: 750px;
        bottom: 220px;
    }
    .hor_line1{
        width: 411px;
        left: 323px;
        top: 455px;
    }
    .hor_line2{
        width: 127px;
        left: 607px;
        top: 610px;
    }
    .dot1{
        left: 732px;
        top: 448px;
    }
    .dot2{
        left: 32px;
        top: 330px;
    }
    .cdro .col1,
    .cdro .col2{
        margin: 30px 0px 30px 0px;
    }
    .img1{
        bottom: 705px;
        left: 260px;
    }
    .img2{
        bottom: 650px;
        left: 550px;
    }
    .mex, .cr{
        width: 350px;
        height: 350px;
    }
    .mex{
        top: 100px;
    }
    .cr{
        right: 70px;
        top: 250px;
    }
    .ul_footer{
        bottom: 120px;
        
    } 
}