Problem in navigation bar bootstrap

In my navigation bar, dropdown values of hamburger is displaying down with the next div elements ( while toggling down, other forthcoming elements should move down or hidden right)

 <nav id="navibar" class="navbar navbar-expand-lg navbar-light bg-light"role="navigation">
                            <a class="navbar-brand" href="#"><img id="logo" style="width:50px; height:50px; display:inline-block;padding-bottom:0px;" class="img-responsive" src="/images/ChakraLogo.jpg">
                            <strong>  Chakra Travels</strong></a>
                            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarTogglerDemo02" aria-controls="navbarTogglerDemo02" aria-expanded="false" aria-label="Toggle navigation">
                              <span class="navbar-toggler-icon"></span>
                            </button>
                          
                            <div class="collapse navbar-collapse" id="navbarTogglerDemo02">
                              <ul class="navbar-nav mr-auto mt-2 mt-lg-0">
                                <li class="nav-item active">
                                  <a class="nav-link" href="#">Local <span class="sr-only">(current)</span></a>
                                </li>
                                <li class="nav-item">
                                  <a class="nav-link" href="#">Outstation</a>
                                </li>
                                <li class="nav-item">
                                  <a class="nav-link" href="#">About</a>
                                </li>
                               <li class="nav-item">
                                  <a class="nav-link" href="#">Contact</a>
                                </li>
                              </ul>
                              <ul id="navright" class="my-2 my-lg-0">
                                <button class="btn btn-outline-warning my-2 my-sm-0" type="submit">Login</button>
                                <button class="btn btn-outline-warning my-2 my-sm-0" type="submit">Sign UP</button>
                              </ul>
                            </div>
                          </nav>
                        

main.css


#navibar{
    padding-top:15px;
background-color:white !important;
width:100%;
height:60px;
align-items: center;
position:fixed;
}
.navbar-brand{
    margin-right: 50px;
    margin-top:10px;
    color:black !important;
    padding-bottom:15px;
}



a.active
{    
    color:black;
    background-color: whitesmoke;
    border-bottom: 4px solid orange;
}


#navright li{
    margin-top:10px;
    padding-right:10px;
    
}

#logo{
    background-color:none !important;
    border:none !important;
    width:50px;
    height:50px; 
    display:inline-block;
    padding-bottom:0px;
}