#myBtn {
    display: none; /* Hidden by default */
    position: fixed; /* Fixed/sticky position */
    z-index: 99; /* Make sure it does not overlap */
    border: none; /* Remove borders */
    outline: none; /* Remove outline */
    background-color: #B7B7B7; /* Set a background color */
    color: white; /* Text color */
    cursor: pointer; /* Add a mouse pointer on hover */
    padding: 7px; /* Some padding */
    /*padding-left: 12px;
    padding-right: 12px;*/
    /*border-radius: 10px; *//* Rounded corners */
    opacity: 0.6; /*Transparency*/
    border-radius: none;

    /*right: 0px;  Place the button 30px from the right */

    bottom: 2px; /* Place the button at the bottom of the page */
    left: 50%;
    transform: translateX(-50%);
}

#myBtn:hover {
    background-color: #00A2FF; /* Add a dark-grey background on hover */
}