#logo {
    -webkit-filter: brightness(0) invert(1);
    -moz-filter: brightness(0) invert(1);
    -ms-filter: brightness(0) invert(1);
    -o-filter: brightness(0) invert(1);
    filter: brightness(0) invert(1);

    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 50px;
}