body {
    margin: 0;
    font-family: "Lato", sans-serif;
  }
  
  .sidebar {
    margin: 0;
    padding: 0;
    width: 200px;
    background-color: #f1f1f1;
    position: fixed;
    height: 100%;
    overflow: auto;
  }
  
  .sidebar a {
    display: block;
    color: black;
    padding: 16px;
    text-decoration: none;
  }
   
  .sidebar a.active {
    background-color: #04AA6D;
    color: white;
  }
  
  .sidebar a:hover:not(.active) {
    background-color: #555;
    color: white;
  }
  ul {
          padding-left: 25px;
          margin-top: 0;
      }
      h3 {
          margin-bottom: 3px;
      }
  div.content {
    margin-left: 200px;
    padding: 1px 16px;
    height: 1000px;
  }
  
  @media screen and (max-width: 700px) {
    .sidebar {
      width: 100%;
      height: auto;
      position: relative;
    }
    .sidebar img {
      width: 50px;
      display: none;
    }
    .sidebar a {float: left;}
    div.content {margin-left: 0;}
  }
  
  @media screen and (max-width: 400px) {
    .sidebar a {
      text-align: center;
      float: none;
    }
    .sidebar img {
      width: 50px;
      display: none;
    }
  }
  iframe {
      display: block;       /* iframes are inline by default */
      background: #FFF;
      border: none;         /* Reset default border */
      height: 88vh;        /* Viewport-relative units */
      width: 86vw;
  }
  .logout-button {
      background-color: red;
      color: white;
      padding: 10px 20px;
      border: none;
      border-radius: 5px;
      cursor: pointer;
    }