h2 { font-size: 1.3em; }
.btn_line { padding: 10px 5px; clear: both; }
.select_all-wrapper { padding-right: 15px; }
.file-list { padding: 10px 5px !important; }
label, input[type=checkbox]:hover { cursor: pointer; }
.file { padding: 10px 0; text-align: left; float: left; width: 25%; min-height: 145px; }
.img-thumbnail_wrapper { position: relative; }
.file_name_wrapper { clear: both; }
.select_file {
    float: left;
    margin: 5px !important;
}
.file_name {
    float: left;
    width: 70%;
    text-align: left;
    overflow: hidden;
    white-space: nowrap;
    word-wrap: break-word;
    text-overflow: ellipsis;
}
.img-thumbnail-zoom {
    position: absolute;
    top: 80px;
    left: 0;
    z-index: 2;
    display: none;
    max-width: 250px !important;
}
.img-thumbnail-zoom.over-right {
    left: auto;
    right: 0;
}
.img-thumbnail-zoom.over-bottom {
    top: auto;
    bottom: 80px;
}
.img-thumbnail:hover { cursor: pointer; }
.img-thumbnail:hover + .img-thumbnail-zoom { display: block; }
@media all and (max-width:768px) {
    .file { width: 33.3%; }
}
@media all and (max-width:480px) {
    .file { width: 50%; }
}