element.style {

    background-color: rgb(0, 102, 204);

}

    background-size: 26px 26px;

    border: none;

    border-radius: 50%;

    bottom: 20px;

    color: #fff;

    cursor: pointer;

    display: block!important;

    filter: drop-shadow(0 2px 4px rgba(34,36,38,.35));

    height: 48px;

    left: 20px;

    outline: none;

    position: fixed;

    transform-origin: bottom left;