#scrollToTopButton {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 25px !important;
    border: none;
    outline: none;
    background-color: transparent;
    cursor: pointer;
    color: #ffc107;
    border-radius: 4px;
}

#scrollToTopButton:hover {
    font-size: 30px;
    background-color: transparent;
    color: #00bcd4
}