/* The Modal (background) */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    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 */
    -webkit-animation-name: fadeIn; /* Fade in the background */
    -webkit-animation-duration: 0.4s;
    animation-name: fadeIn;
    animation-duration: 0.4s
  }
  
  /* Modal Content */
  .modal-content {
    position: fixed;
    bottom: 0;
    background-color: #fefefe;
    width: 100%;
    -webkit-animation-name: slideIn;
    -webkit-animation-duration: 0.4s;
    animation-name: slideIn;
    animation-duration: 0.4s
  }
  
  /* The Close Button */
  .close {
    color: white;
    float: right;
    font-size: 28px;
    font-weight: bold;

    width: 44px;
    height: 44px;
    background-position: 0 -162px;
  }
  
  .close:hover,
  .close:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
  }
  
  .modal-header {
    padding: 2px 16px;
    background-color: #5cb85c;
    color: white;
  }
  
  .modal-body {
    overflow-y: scroll;
    max-height: 40vh;
    padding: 20px 16px;
}
  #difficulty,#columns,#rows{
      width: 4ch;
  }
  
  .modal-footer {
    padding: 20px 16px;
    text-align: center;
    background-color: #5cb85c;
    color: white;
  }
  
  .modal-footer button{
      font-size: large;
  }
  /* Add Animation */
  @-webkit-keyframes slideIn {
    from {bottom: -300px; opacity: 0} 
    to {bottom: 0; opacity: 1}
  }
  
  @keyframes slideIn {
    from {bottom: -300px; opacity: 0}
    to {bottom: 0; opacity: 1}
  }
  
  @-webkit-keyframes fadeIn {
    from {opacity: 0} 
    to {opacity: 1}
  }
  
  @keyframes fadeIn {
    from {opacity: 0} 
    to {opacity: 1}
  }