header > .container {
    position: relative;
}

header .impersonation-wrapper {
    position: absolute;
    top: 80px;
    right: 15px;
}

header .impersonation-wrapper .control-label {
    color: white;
    padding-right: 0.5em;
}

header .impersonation-wrapper .impersonation-drop-down {
    color: white;
    background: none;
    border-color: white;
    padding: 0;
}

header .impersonation-wrapper .impersonation-drop-down:focus {
    box-shadow: 0 0 8px white;
}

header .impersonation-wrapper .impersonation-drop-down > option {
    color: #555;
    background: white;
}