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

    #myImg {
      border-radius: 5px;
      cursor: pointer;
      transition: 0.3s;
    }
    
    #myImg: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;
      height: auto;
      width: 100%;
      max-width: 760px;
    }
    
    /* Caption of Modal Image */
    #caption {
      margin: auto;
      display: block;
      width: 80%;
      max-width: 700px;
      text-align: center;
      color: #ccc;
      padding: 10px 0;
      height: 150px;
    }
    
    /* Add Animation */
    .modal-content, #caption {  
      -webkit-animation-name: zoom;
      -webkit-animation-duration: 0.6s;
      animation-name: zoom;
      animation-duration: 0.6s;
    }
    
    @-webkit-keyframes zoom {
      from {-webkit-transform:scale(0)} 
      to {-webkit-transform:scale(1)}
    }
    .container {
        max-width:760px;
        margin:auto;
        border:#fff solid 3px;
        background: #fff;
    }
    
    .main-img img, .imgs img{
        width:100%;
    }
    
    .imgs{
        display:grid;
        grid-template-columns: repeat(4,1fr);
        grid-gap:5px;
    }
    
    .fade-in {
        opacity: 0;
        animation: fadein 0.5s ease-in 1 forwards;
    }
    @keyframes zoom {
      from {transform:scale(0)} 
      to {transform:scale(1)}
    }
    
    /* The Close Button */
    .close {
      position: absolute;
      top: 15px;
      right: 35px;
      color: #f1f1f1;
      font-size: 40px;
      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%;
      }
    }