.btn-link-custom {
    text-decoration: none;
    border: none;
    background-color: inherit;
    outline: 0;
}

    .btn-link-custom:active {
        text-decoration: underline;
        box-shadow: none;
        border: none;
        background-color: inherit;
        outline: 0;
    }

    .btn-link-custom:hover {
        text-decoration: underline;
        border: none;
        background-color: inherit;
        outline: 0;
    }

    .btn-link-custom:focus, .btn-link-custom.focus {
        text-decoration: underline;
        box-shadow: none;
        border: none;
        background-color: inherit;
        outline: 0;
    }

    .btn-link-custom:disabled, .btn-link-custom.disabled {
        pointer-events: none;
        border: none;
        background-color: inherit;
        outline: 0;
    }

.navbar-collapse {
    max-height: 320px !important;
    overflow-y: auto !important;
}