main.css

* {
	box-sizing: border-box;
  }
  
  body {
	background-color: #f1f1f1;
	padding: 20px;
	font-family: Arial;
	font-size :calc(16px + .5vw);
	counter-reset: nbpuz;
  }
  
  span#cptpuz::before {
	content: counter(nbpuz);
  }

  span#cptpuz {
	position:fixed;
	width:60px;
	height:30px;
	bottom:20px;
	right:20px;
	background-color:#0C9;
	color:#FFF;
	border-radius:5px;
	text-align:center;
	box-shadow: 2px 2px 3px #999;
	padding-top:3px;
}

  /* Center website */
  .main {
	max-width: 1000px;
	margin: auto;
  }
  
  
  
  .entry {
	background-color: white;
	color: black;
	padding: 1rem;
	display: none;
	max-width: 450px;
	
  }
  
  
  .cards {
	max-width: 1200px;
	margin: 0 auto;
	display: grid;
	gap: 1rem;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	
  }
  
  
  
  .content {
	background-color: white;
	padding: 10px;
  }
  
  
  .content > span {
	font-size: 8px;
  }
  
  .entry {
	display: block;
	counter-increment: nbpuz;
  }
  /* .fltrN.fltrP {
	display: block;
  } */
  
  .filtres {
	
	width: 100%; 
	font-size: 18px; 
	padding: 12px 20px 12px 40px; 
	border: 1px solid #ddd; 
	margin-bottom: 12px; 
  }
  
  
   /* Style the Image Used to Trigger the Modal */
   .content img {
	border-radius: 5px;
	cursor: pointer;
	transition: 0.3s;
	width: 100%;
	max-width:400px;
	text-align: center;
  }
  
  .content img:hover {opacity: 0.7;}
  
  /* 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(0,0,0,0.9); /* Black w/ opacity */
  }
  
  /* Modal Content (Image) */
  .modal-content {
	margin: auto;
	display: block;
	width: 80%;
	max-width: 700px;
  }
  
  /* Caption of Modal Image (Image Text) - Same Width as the Image */
  #caption {
	margin: auto;
	display: block;
	width: 80%;
	max-width: 700px;
	text-align: center;
	color: #ccc;
	padding: 10px 0;
	height: 150px;
  }
  
  /* Add Animation - Zoom in the Modal */
  .modal-content, #caption {
	animation-name: zoom;
	animation-duration: 0.6s;
  }
  
  @keyframes zoom {
	from {transform:scale(0)}
	to {transform:scale(1)}
  }
  
  /* The Close Button */
  .close {
	position: absolute;
	top: 15px;
	right: 35px;
	color: #f1f1f1;
	font-size: 60px;
	font-weight: bold;
	transition: 0.3s;
  }
  
  .close:hover,
  .close:focus {
	color: #bbb;
	text-decoration: none;
	cursor: pointer;
  }
  
  /* 100% Image Width on Smaller Screens */
  @media only screen and (max-width: 700px){
	.modal-content {
	  width: 100%;
	}
  }