@media(max-width:768px){
    .topbar{
        display: none;
    }
    button.navbar-toggler {
        position: relative;
        top: -35px;
        left: 80%;
    }
    .about-container{
        padding-top:0px!important;
    }
    .nav-left-box{
        position: relative;
        top: 21px;
    }
}