@media screen and (max-width: 600px) {
.container-nav {
    display: initial;
  }
.myleftmenu {
    display: none;
  }
}
.navbar-toggler-right {
	margin-left: 10px;
  }
@media not screen and (max-width: 600px) {
.container-nav {
    display: none;
  }
.myleftmenu {
    display: initial;
  }
}