#toggleBtn {
    border: 0;
    position: absolute;
    z-index: 991;
    bottom: 70px;
    right: 70px;
    background: no-repeat;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-content: center;
    align-items: center;
}

#toggleBtn:hover {
    background: #FFF;
}

#toggleBtn svg {
    color: #FFF;
    height: 30px;
    width: 30px;
}

#toggleBtn:hover svg path {
    fill: #333;
}