/* The Modal (background) */
#pictureView {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    padding-top: 0px; /* 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 */
    align-items: center; /* 垂直居中 */
    justify-content: center; /* 水平居中 */
    height: 100vh; /* 父元素高度 */
}

/* Modal Content (image) */
#pictureViewImage {
    width: 100%;
    margin: auto;
    display: block;
    max-width: 700px;
}

/* Caption of Modal Image */
#pictureViewCaption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: 150px;
}

/* Add Animation */
#pictureViewImage, #pictureViewCaption {    
    -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(0.1)} 
    to {transform: scale(1)}
}

/* The Close Button */
#pictureViewClose {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
}

#pictureViewClose:hover,
#pictureViewClose:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

/* 100% Image Width on Smaller Screens */
@media only screen and (max-width: 700px){
    #pictureViewImage {
        width: 100%;
    }
}