.post-template-available_works-php #gallery-2 li { display: block!important; float:left; width:45%; margin: 0px 5% 0px 0px!important; }
.post-template-available_works-php #gallery-2 li img { width:100%; height: auto; }

.post-template-future-exhibition-php #gallery-2 li { display: block!important; float:left; width:45%; margin: 0px 5% 0px 0px!important; }
.post-template-future-exhibition-php #gallery-2 li img { width:100%; height: auto; }

.page-template-page-exhibitions-present-php #gallery-2 li { display: block!important; float:left; width:45%; margin: 0px 5% 0px 0px!important; }
.page-template-page-exhibitions-present-php #gallery-2 li img { width:100%; height: auto; }