.navbar-nav .caret, .navbar-nav.sm-collapsible ul .caret {
    position: absolute;
    right: 0;
    margin: 0 20px 0 0;
    padding: 0;
    width: 44px;
    height: 44px;
    line-height: 41px;
    text-align: center;
    border-width: 1px;
    border-style: solid;
    z-index: 1000;
}
.navbar-nav .caret:before {
    content: "\2b";
    font-family: monospace;
    font-weight: bold;
    font-size: 30px;
    color: #2491d0;
}
.navbar-nav .open > .caret:before {
    content: "\2212";
}

@media (max-width: 768px) {
    .navbar-nav .open .dropdown-menu {
        border: medium none;
    }

    .top-menu ul.dropdown-menu {
        border: medium none;
    }

    .top-menu .navbar-nav li.active > a {
        border: medium none;
    }
}