html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}

body {
    line-height: 1;
    overflow-x: hidden;
    color: aliceblue;
}

ol, ul {
    list-style: none;
}

blockquote, q {
    quotes: none;
}

blockquote:before, blockquote:after, q:before, q:after {
    content: '';
    content: none;
}

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

.main-content {
    width: 100%;
}

.title {
    margin: 20px 30px;
}

.image-list {
    width: 100%;
    padding: 20px;
    margin-left: auto;
    margin-right: auto;
}

.image-list .cover {
    position: relative;
    display: inline-block;
    margin-bottom: 10px;
    cursor: pointer;
}

.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, .5);
    z-index: 999999999999999999999;
}

#pictureViewer>.content {
    background-color: #fff;
    position: absolute;
    width: 760px;
    height: 540px;
    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:hover {
    background-color: #ff2e67;
    -webkit-transition: all .3s;
    -moz-transition: all .3s;
    -ms-transition: all .3s;
    -o-transition: all .3s;
    transition: all .3s;
}

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

#pictureViewer .menu-bar .handel.maximization:hover {
    background-image: url(../img/maximization_white.png);
}

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

#pictureViewer .menu-bar .handel.miniaturization:hover {
    background-image: url(../img/miniaturization_white.png);
}

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

#pictureViewer .menu-bar .handel.close-view:hover {
    background-image: url(../img/close_white.png);
}

#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(../img/prev_blank.png);
}

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

#pictureViewer .handel-prev:hover, #pictureViewer .handel-next:hover {
    background-color: #ff2e67;
}

#pictureViewer .handel-prev:hover {
    background-image: url(../img/prev_white.png);
}

#pictureViewer .handel-next:hover {
    background-image: url(../img/next_white.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;
}

#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%;
}