@media only screen and (max-width: 600px) {
    .navbar-toggler{
        display: block;
        background: red;
    }
    .logo-main {
        display: block;
    }

    .header-search {
        padding-left: 10px;
        padding-right: 10px;
    }

    .navbar-toggler{
        background: unset;
    }

    .mobile-menu{
        display: block;
        margin: auto;
    }

    .dropdown-toggle::after {
        display: none;
        margin-left: 0.255em;
        vertical-align: 0.255em;
        content: "";
        border-top: 0.3em solid;
        border-right: 0.3em solid transparent;
        border-bottom: 0;
        border-left: 0.3em solid transparent;
    }
}