#myBtn {
    display: none; 
    position: fixed;
    bottom: 4vh;
    right: 2rem; 
    z-index: 99; 
    border: 2px solid #00b100; 
    outline: none; 
    background-color: #ffffff;

    color: #f1b603;
    cursor: pointer; 
    border-radius: 50%;
    font-size: 20px; 
    padding: 9px 11px 4px 11px;
    box-shadow: rgba(37, 37, 37, 0.15) 1.95px 1.95px 2.6px;
    transition: .2s;
}
  
#myBtn:hover {
    /* color: #fec006; 
    background-color: #00b100; 
    border: 2px solid #00b100;  */

    /* color: #00b100;  */
    font-weight: bold;
    /* background-color: #ffffff;  */
    /* border: 2px solid #000000b7;  */
    padding: 6px 11px 7px 11px;

}