img {
    /* border: 1px solid #ddd; */
    border-radius: 4px;
    padding: 5px;
    width: 160px;
  }

  img:hover {
    box-shadow: 0 0 2px 1px rgba(0, 140, 186, 0.5);
  }

  .grid-container {
  display: grid;
  grid-template-columns: auto auto auto;
  /* background-color: #f2f0eb; */
  padding: 10px;
  }
  .grid-item {
  /* background-color: #f2f0eb; */
  /* border: 1px solid rgba(0, 0, 0, 0.8); */
  padding: 20px;
  font-size: 30px;
  text-align: center;
  }
  
  .subnav {
  float: left;
  overflow: hidden;
  }

  /* Subnav button */
  .subnav .subnavbtn {
  font-size: 16px;
  border: none;
  outline: none;
  color: white;
  padding: 14px 16px;
  background-color: inherit;
  font-family: inherit;
  margin: 0;
  }

  /* Add a red background color to navigation links on hover */
  .navbar a:hover, .subnav:hover .subnavbtn {
  background-color: #4caf50;
  }

  /* Style the subnav content - positioned absolute */
  .subnav-content {
  display: none;
  position: absolute;
  left: 0;
  background-color: #4caf50;
  width: 100%;
  z-index: 1;
  }

  /* Style the subnav links */
  .subnav-content a {
  float: left;
  color: white;
  text-decoration: none;
  }

  /* Add a grey background color on hover */
  .subnav-content a:hover {
  background-color: #eee;
  color: white;
  }

  /* When you move the mouse over the subnav container, open the subnav content */
  .subnav:hover .subnav-content {
  display: block;
  }

  .item1 { grid-area: header; }
  .item2 { grid-area: menu; }
  .item3 { grid-area: main; }
  .item4 { grid-area: right; }
  .item5 { grid-area: footer; }

  .grid-container {
    display: grid;
    grid-template-areas:
      'header header header header header header'
      'menu main main main right right'
      'menu footer footer footer footer footer';
    grid-gap: 10px;
    /* background-color: #4caf50; */
    padding: 10px;
  }

  .grid-container > div {
    /* background-color: rgba(255, 255, 255, 0.8); */
    text-align: center;
    padding: 20px 0;
    font-size: 30px;
  }

  div.background {
    background-color: #4caf50;
    opacity: 0.3;
    border: 2px solid black;
  }

  div.transbox {
    margin: 30px;
    background-color: #ffffff;
    border: 1px solid black;
    opacity: 0.6;
  }

  div.transbox p {
    margin: 5%;
    font-weight: bold;
    color: #000000;
  }

  .List {
list-style-type: none;
margin: 0;
padding: 0;
width: 25%;
background-color: #f1f1f1;
position: fixed;
height: 100%;
overflow: auto;
}

.ListElement a {
display: block;
color: #000;
padding: 8px 16px;
text-decoration: none;
}

.ListElement a.active {
background-color: #4CAF50;
color: white;
}

.ListElement a:hover:not(.active) {
background-color: #555;
color: white;
}


.SIDEBARMENU {
margin: 300px auto;
text-align: center;
color: white;
font-size: -1em;
transition: 0.5s;
font-family: Arial, Helvetica, sans-serif;
}

.SIDEBARMENU:hover {
text-shadow: 0 1px 0 #ccc, 0 2px 0 #ccc,
0 3px 0 #ccc, 0 4px 0 #ccc,
0 5px 0 #ccc, 0 6px 0 #ccc,
0 7px 0 #ccc, 0 8px 0 #ccc,
0 9px 0 #ccc, 0 10px 0 #ccc,
0 11px 0 #ccc, 0 12px 0 #ccc,
0 20px 30px rgba(0, 0, 0, 0.5);
}
.zoom {
padding: 50px;
transition: transform .2s; /* Animation */
width: 200px;
height: 200px;
margin: 0 auto;
}

.zoom:hover {
transform: scale(1.5); /* (150% zoom - Note: if the zoom is too large, it will go outside of the viewport) */
}