body {
      margin: 0;
      font-family: Arial, sans-serif;
      overflow-x: hidden;
    }
    
    .sidebar {
      height: 100%;
      width: 0%;
      position: fixed;
      z-index: 500;
      top: 0;
      left: 0;
      background-color: rgba(0,0,0,0.95);
      overflow-x: hidden;
      transition: 0.60s;
      padding-top: 10px;
    }

    .sidebar a {
      /* padding: 5px 20px; */
      text-decoration: none;
      font-size: 20px;
      color: white;
      display: block;
      transition: 0.3s;
    }

     .closebtn{
      width: 20px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: left;
     }
    .sidebar .closebtn {
      position: absolute;
      top: 10px;
      font-size: 25px;
    }

    .openbtn {
      font-size: 20px;
      cursor: pointer;
      background-color: transparent;
      color: white;
      border: none;
    }
