#myBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 13px;
    border: none;
    outline: none;
    background-color: rgb(153,122,106);
    color: white;
    cursor: pointer;
    padding: 8px 15px 4px;
    text-transform: uppercase;
  }

.topArrow {
    width: 25px;
    vertical-align: middle;
    padding: 0 0 3px 6px;
}