body {
  font-family: Arial, Lato, Helvetica, sans-serif; 
  margin: 0;
}

/* Login Modal */
#login-modal .modal-dialog {
    width: 350px;
    margin: auto;
}

.modal-footer {
    background-color: #f4f4f4;
    justify-content: center;
}

.header {
    background-color: #4682B4; 
  overflow: hidden;
  color:white;
font-size: 13px;
  position: relative;
} 



.header .navbar-nav .nav-item i {
    margin-right: 8px;
}
.header #navbar {
  display: none;
}
.header a {
  color: white;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
  display: block;    
}
.header a.icon {
  background: black;
  display: block;
  position: absolute;
  right: 0;
  top: 0;
}
.header a:hover {
  background-color: red;
  color: black;
}

/* Float four columns side by side */
.column {
  float: left;
  width: 25%;
  padding: 0;
}

/* Remove extra left and right margins, due to padding */
.row {margin: 0 -5px;}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive columns */
@media screen and (max-width: 600px) {
  .column {
    width: 100%;
    display: block;
    margin-bottom: 20px;
  }
}

/* Style the counter cards */
.card {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  padding: 16px;
  text-align: center;
  background-color: #f1f1f1;
}

.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;
}

.w3-footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   background-color:#4682B4; 
   color: white;
   text-align: center;
}