* {
    box-sizing: border-box;
}

#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;
    width: 80%;
    max-width: 700px;
    max-height:700px;
}

.galleryimg {
    margin:20px 20px 20px 20px;
    width: 100%;
    max-width: 400px;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}
.galleryimg:hover{
     box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.8), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

/* Caption of Modal Image */
/*
.captiontext{
      position: absolute; 
  bottom: 179px; 
  background: rgb(0, 0, 0);
  background: rgba(0, 0, 0, 0.5); 
  color: #fff; 
  padding: 20px; 
  text-align:center;
  width:100%;
  font-size:1.2em;
}
    */

#caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 5px 0;
    height: 50px;
    font-size: 25px;
}


/* 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);
    }
}

@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%;
    }
}