* {
    box-sizing: border-box;
  }

  html {
    height: -webkit-fill-available;
  }

  body {
    display: flex;
    flex-direction: column;
    margin: 0;
    background-color: #ebfac7;
    height: 100vh;
    height: 100svh; /* Try dvh, but may cause some jitters */
    height: -webkit-fill-available;
  }

  /** HEADER STYLES **/
  /* Style the header */
  .header {
    display: flex;
    align-items: center;
    vertical-align: middle;
    justify-content: center;
    height: 8%;
    background-color: #a4c35c;
    padding: 5px;
  }
  .header img {
    float: left;
    max-width: 100%;
    max-height: 8%;
    min-height: 9vh;
    padding: 20px;
  }
  .header h1 {
    font-size: clamp(2vw, 4vw + 1rem, 1rem);/*4vw;*/
  }



  /** NAVIGATION STYLES **/
  /* Style the top navigation bar */
  .navbar {
    overflow: hidden;
    background-color: #333333;
  }
  /* Style the topnav links */
  .navbar a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 5px 8px;
    text-decoration: none;
  }
  /* Change color on hover */
  .navbar a:hover {
    background-color: #ddd;
    color: black;
  }
  

  /** MAIN STYLES **/
  .main {
    flex: 1;
    overflow: scroll;
  }
  .main h1 {
    font-size: clamp(2vw, 4vw + 1rem, 2rem);
  }

  .fbox-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: flex-start;
  }
  .fbox-item {
    border: 2px solid #a4c35c; 
    border-radius: 5px; 
    padding: 5px;
  }
  .fbox-item-1 {
    min-width: 40vw;
  }
  .fbox-item-2 {
    display: flex;
    flex-direction: column;
    /*min-width: 425px;*/
    min-width: 40vw;
  }  
  .fbox-iframe-container {
    flex: 1;
    min-height: 65vh;
  }
  .fbox-item img {
    width: 10vw;
    /*width: 40vw;*/
  }

/*   main::-webkit-scrollbar {
    width: 24px;
  }
  
  main::-webkit-scrollbar-thumb {
    border: 4px solid rgba(0, 0, 0, 0);
    background-clip: padding-box;
    border-radius: 5px;
    background-color: #AAAAAA;
  } */


  /** Footer STYLES **/
  .footer {
    padding: 10px;
    text-align: center;
    background: #a4c35c;
    margin-top: 20px;
  }
  

  /** OTHER STYLES **/
  .center {
    margin: auto;
    width: 80%;
    padding: 10px;
  }
/*   .center-border {
    border: 5px solid;
    margin: auto;
    width: 80%;
    padding: 10px;
  } */
  .center-border {
    border: 2px solid;
    box-shadow: 0 20px 40px #082901;
    margin: auto;
    width: 95%;
    padding: 15px;
    background-color: #dfdfdfd0;
  }
  
  #left{
  float:left;
  width:50%;
  }
  #right{
  float:right;
  width:50%;
  }

/* ----------------------------------------------------------------------------*/
  /* Collapsible */
  .collapsible {
    background-color: #777;
    color: white;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
  }
  
  .active, .collapsible:hover {
    background-color: #555;
  }
  
  .collapsible:after {
    content: '\002B';
    color: white;
    font-weight: bold;
    float: right;
    margin-left: 5px;
  }
  
  .active:after {
    content: "\2212";
  }
  
  .content {
    padding: 0 18px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    background-color: #f1f1f1;
  }