mynotes.md

<div class="row">
  <div class="column">
   <img src="img1.jpg" onclick="openModal();currentSlide(1)" class="hover-shadow">
  </div>

  <div id="myLightbox" class="modal">
    <span class="close cursor" onclick="closeModal()">&times;</span>
    <div class="modal-content">

  <div class="myLightbox">
    <div class="numbertext"></div>
    <img src="img1.jpg" style="width:100%">
  </div>

  <div class="caption-container">
    <p id="caption"></p>
  </div>

  <div class="column">
    <img class="demo cursor" src="img1.jpg" style="width:100%" onclick="currentSlide(1)" alt="The Woods">
  </div>

  </div>

.modal { display: none; position: fixed; z-index: 1; padding-top: 100px; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgb(0,0,0); background-color: rgba(0,0,0,0.9); }

  .modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
  }

  #caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: 150px;
  }

  .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)}
  }

  @keyframes zoom {
    from {transform:scale(0)} 
    to {transform:scale(1)}
  }

  .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;
  }

  @media only screen and (max-width: 700px){
    .modal-content {
      width: 100%;
    }
  }
  </style>