/* Create a top navigation bar with a white background color  */
body{
	background-color: #7C987C;
}
.topnav {
    background-color: #2b5118;
    overflow: hidden;
  }
  
  /* Style the links inside the navigation bar */
  .topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 20px 20px;
    text-decoration: none;
    font-size: 17px;
  }
  
  /* Change the color of links on hover */
  .topnav a:hover {
    background-color: #ddd;
    color: black;
  }
  
  /* Create a right-aligned (split) link inside the navigation bar */
  .topnav a.split {
    float: right;
    background-color: #2b5118;
    color: white;
  }

  .card{
    margin: 5px;
    float: left;
    width: 25%;
    min-width: 250px;
}