/* The sidebar menu */
.sidenav {
    height: 100%; /* Full-height: remove this if you want "auto" height */
    width: 160px; /* Set the width of the sidebar */
    position: fixed; /* Fixed Sidebar (stay in place on scroll) */
    z-index: 1; /* Stay on top */
    top: 0; /* Stay at the top */
    left: 0;
    background-color: #111; /* Black */
    overflow-x: hidden; /* Disable horizontal scroll */
    padding-top: 20px;
  }
  
  /* The navigation menu links */
  .sidenav a {
    padding: 6px 8px 6px 16px;
    text-decoration: none;
    font-size: 25px;
    color: #818181;
    display: block;
  }
  
  /* When you mouse over the navigation links, change their color */
  .sidenav a:hover {
    color: #f1f1f1;
  }
  
  /* Style page content */
  .main {
    margin-left: 160px; /* Same as the width of the sidebar */
    padding: 0px 10px;
  }
  
  /* On smaller screens, where height is less than 450px, change the style of the sidebar (less padding and a smaller font size) */
  @media screen and (max-height: 450px) {
    .sidenav {padding-top: 15px;}
    .sidenav a {font-size: 18px;}
  }

  input:invalid {
    background-color: #ffdddd;
  }
  form:invalid {
    border: 5px solid #ffdddd;
  }
  input:valid {
    background-color: #ddffdd;
  }
  form:valid {
    border: 5px solid #ddffdd;
  }
  input:required {
    border-color: #800000;
    border-width: 3px;
  }

  
/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  padding-top: 100px; /* Location of the box */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content */
.modal-content {
  background-color: #fefefe;
  margin: auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
}

/* The Close Button */
.close {
  color: #aaaaaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}