@media only screen and (max-width:1000px){
    .nav_desc{
        font-size: 14px;
    }
    #nav a{
        padding: 25px;
    }
    #side_menu{
        text-align: center;
        width: 280px;

    }
    .line1{
        height: 400px;
        left: 100px;
        bottom: 2px;
    }
    .line2{
        height: 170px;
        left: 100px;
    } 
.dot1, .dot2{
    left: 93px;
}
  
}