acha-framework/src/frontend/core/scripts/directives/file-picker-server/ltr.less

is a modular framework on both client (angular.js) and server (node.js) side, it provides security, orm, ioc, obfuscation and ...

.af-file-picker-server{
  position: relative;
  .plate{
    position: absolute;
    max-width: 500px;
    width: 100%;
    max-height: 400px;
    height: 100%;
    top: 40px;
    left: 0;
    z-index: 10000;
  }
}