.sidepanel  {
    width: 0;
    position: fixed;
    z-index: 1;
    height: 100%;
    top: 0;
    left: 0;
    background-color: #111;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
  }
  
  .sidepanel a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: #818181;
    display: block;
    transition: 0.3s;
  }
  
  .sidepanel a:hover {
    color: #f1f1f1;
  }
  
  .sidepanel .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
  }
  
  .openbtn {
    font-size: 30px;
    cursor: pointer;
    background-color: #0f0f0f;
    color: white;
    padding: 30px 30px 60px 10px;
    border: none;
    display: inline-block;
  }
  
  .openbtn:hover {
    background-color:#444;
  }

  @media (max-width: 575px) {
    .openbtn{
        padding: 30px 30px 45px 10px;
    }
  }