nav {
    position: relative;
}

nav a.btn.btn-secondary {
    background: #004f69;
    border-color: #004F69;
    color: #ffffff;
    border-radius: 0;
    padding: 0.9rem 1.5rem;
    text-transform: uppercase;
    font-weight: 700;
	font-family: 'Montserrat', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    transition: all 0.3s;
    position: absolute;
    top: 100%;
    right: 1rem;
}

nav a.btn.btn-secondary img {
    filter: brightness(0) invert(1);
    transition: all 0.3s;
    margin-right: 0.4rem;
    margin-top: -0.3rem;
}

nav a.btn.btn-secondary:hover,
nav a.btn.btn-secondary:focus {
    background: #ffffff;
    border-color: #ffffff;
    color: #004F69;
}

nav a.btn.btn-secondary:hover img,
nav a.btn.btn-secondary:focus img {
    filter: none;
}