.menu{
position:fixed;
left:-300px;
top:0;
bottom:0
z-index: 100;
background-color:#000;
width:300px;
transition: left ease-in-out .3s
}
.menu.active{
left: 0px
}
transform: translateY(0);
opacity: 0
transition: transform .3s ease-in-out, opacity .3s ease-in-out
transform: translateY(10px);
opacity: 1
dropdown-menu-right
, который нужно добавить к блоку dropdown-menu
.<nav class="navbar">
...
<div class="navbar-collapse">
<ul class="navbar ml-auto">
<li>...</li>
</ul>
<div class="user-actions">
<div class="dropdown">
...
</div>
</div>
</div>
</nav>
<nav class="navbar">
...
<div class="navbar-collapse">
<ul class="navbar mr-auto">
<li>...</li>
</ul>
<ul class="navbar mr-auto user-actions">
<li class="dropdown">
...
</li>
</ul>
</div>
</nav>
.navbar-nav
..navbar-nav for a full-height and lightweight navigation (including support for dropdowns).— https://getbootstrap.com/docs/4.0/components/navba...