#Sidenav a {
    top:49%;
    right: -84px;
    color: white;
    width: 110px;
    padding: 12px;
    position:absolute;
    transition: 0.3s;
    font-size: 20px;
    text-decoration: none;
    border-radius: 5px 0 0 5px;
    line-height:1;
    transition: all 0.5s ease;
      opacity:0.7;
    z-index:999;
}