#myButton {
    position: fixed;
    top: 80%;
    right: 20px;
    transform: translateY(-50%);
    width: 92px;
    height: 92px;
    border-radius: 50%;
    border: none;
    background-color: transparent;
    color: #fff;
    cursor: pointer;
    font-size: 25px;
    text-align: center;
    line-height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}

    #myButton:hover {
        background-color: #F0FFFF;
    }

#buttonArea {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}