body{
    background-color: #fff;
    overflow-x: hidden;
    position: relative;
}

section{
    overflow-x: hidden;
}

#nav_section{
    position: fixed;
    z-index: 9999;
    width: 100%;
    top: 0;
    left: 0;
}

#ataglance_section{
    margin-top: 25px;
}

@media (min-width: 992px){
    #nav_section{
        /* position: fixed; */
        /* box-shadow: 0px 2px 3px lightgrey; */
        box-shadow: 0px 2px 8px #7e8690;
    }
}