.pswp__button {
    width: 20px;
    height: 20px;
    position: relative;
    background: none;
    cursor: pointer;
    overflow: visible;
    -webkit-appearance: none;
    display: block;
    border: 0;
    padding: 0;
    margin: 150% 45% 0 0;
    float: right;
    opacity: 0.75;
    -webkit-transition: opacity 0.2s;
    transition: opacity 0.2s;
    -webkit-box-shadow: none;
    box-shadow: none; }
.pswp__button,
.pswp__button--arrow--left:before,
.pswp__button--arrow--right:before {
    background: url('../images/x.png') 0 0 no-repeat;
    width: 40px;
    height: 40px; }

@media (-webkit-min-device-pixel-ratio: 1.1), (-webkit-min-device-pixel-ratio: 1.09375), (min-resolution: 105dpi), (min-resolution: 1.1dppx) {
    .pswp--svg .pswp__button,
    .pswp--svg .pswp__button--arrow--left:before,
    .pswp--svg .pswp__button--arrow--right:before {
        background-image: url('../images/x.png');background-size: 100% }
    .pswp--svg .pswp__button--arrow--left,
    .pswp--svg .pswp__button--arrow--right {
        background: none; } }
.pswp__counter {
    position: absolute;
    left: 40%;
    top: 6%;
    height: 18px;
    font-size: 30px;
    line-height: 18px;
    color: #FFF;
    opacity: 0.75;
    padding: 0 10px; }

.demo-gallery img {
    width: auto;
    max-width: 100%;
    height: auto;
    border: 0;
}
.demo-gallery{
    position: relative;
}
.demo-gallery a{display: inline-block;width: 32%; margin-left: 4px;}