#myBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 12px;
    border: none;
    outline: none;
    background-image: linear-gradient(to bottom right, #0100EC, #FB36F4);
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 4px;
    transition: 0.4s;
}

#myBtn:hover {
    background: linear-gradient(to bottom right, #FDABDD, #374A5A);
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    transform: translateY(0%);
}