body {
  text-align: center;
  background-color: lightgrey;
  user-select: none;
  -moz-user-select: none;
  -webkit-user-drag: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

#board1 {
  background: url('i/road.jpg');
  background-size: cover;
  border-radius: 10px;
  margin-right: 20%;
}

#board2 {
  background: url('i/road.jpg');
  background-size: cover;
  border-radius: 10px;
}

.custom-primary-button {
  display: inline-block;
  font-weight: 400;
  line-height: 1.5;
  color: #fff; 
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: #0d6efd; 
  border: 1px solid #0d6efd; 
  padding: 0.375rem 0.75rem; 
  font-size: 1rem;
  border-radius: 0.25rem; 
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
    border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.custom-primary-button:hover {
  color: #fff;
  background-color: #0b5ed7; 
  border-color: #0a58ca;
}

.custom-primary-button:focus {
  color: #fff;
  background-color: #0b5ed7;
  border-color: #0a58ca;
  box-shadow: 0 0 0 0.25rem rgba(49, 132, 253, 0.5); 
}

.custom-primary-button:active {
  color: #fff;
  background-color: #0a58ca; 
  border-color: #0a53be;
  box-shadow: 0 0 0 0.25rem rgba(49, 132, 253, 0.5);
}

.custom-primary-button:disabled {
  color: #fff;
  background-color: #0d6efd;
  border-color: #0d6efd;
  opacity: 0.65; 
  cursor: not-allowed;
}