/*demo CSS*/
img {
    max-width: 100%;
    max-height: 100%;
}

.main-content {
    width: 30%;
}

/* .title {
    margin: 20px 30px;
} */

.image-list {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    /* padding: 20px; */
    margin-left: auto;
    margin-right: auto;
}

.image-list .cover {
    position: relative;
    margin-top: 12px;
    width: 150px;
    height: 180px;
    display: inline-block;
    /* margin: 0 50px; */
    cursor: pointer;
    background-color: pink;
}
.image-list .cover:hover{
    box-shadow: 0 0 10px #aaa;
}

.image-list .cover img {
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

/*main CSS*/
#pictureViewer {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, .3);
    z-index: 10000;
}

#pictureViewer>.content {
    background-color: #fff;
    position: absolute;
    width: 800px;
    height: 600px;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

#pictureViewer .menu-bar {
    width: 100%;
}

#pictureViewer .menu-bar .handel {
    width: 40px;
    height: 40px;
    float: right;
    background-repeat: no-repeat;
    background-position: 50%;
    cursor: pointer;
}

#pictureViewer .menu-bar .handel.maximization {
    background-image: url(../images/icons/maximization_black.png);
    background-size: 14px;
}

#pictureViewer .menu-bar .handel.miniaturization {
    background-size: 16px;
    background-image: url(../images/icons/miniaturization_black.png);
}

#pictureViewer .menu-bar .handel.close-view {
    background-image: url(../images/icons/close_black.png);
    background-size: 15px;
}

#pictureViewer .handel-prev,
#pictureViewer .handel-next {
    display: inline-block;
    width: 50px;
    height: 70px;
    position: relative;
    top: calc(50% - 80px);
    background-repeat: no-repeat;
    background-size: 25px;
    background-position: 50%;
    cursor: pointer;

    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}

#pictureViewer .handel-prev {
    background-image: url(../images/icons/prev_blank.png);
}

#pictureViewer .handel-next {
    background-image: url(../images/icons/next_blank.png);
}

#pictureViewer .picture-content {
    display: inline-block;
    width: 80%;
    height: calc(100% - 80px);
    position: absolute;
    margin: 0 auto;
    left: 0;
    right: 0;
}

#pictureViewer .picture-content .cover {
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
}

#pictureViewer .counter {
    position: absolute;
    bottom: 0;
    height: 40px;
    line-height: 40px;
    width: 100%;
    text-align: center;
    color: #808080;
    font-size: 13px;
}

#pictureViewer .hide {
    display: none;
}

#pictureViewer .left {
    float: left;
}

#pictureViewer .right {
    float: right;
}

#pictureViewer .clear-flex {
    clear: both;
}

#pictureViewer img {
    max-width: 100%;
    max-height: 100%;
}