scald_file.css in Scald File Provider 7

.dnd-library-wrapper .editor-item .meta.type-file {
  background-image: url('icons/file.png');
}

.scald-menu .add-buttons .add-file {
  background: url('icons/file-large-inverted.png') 50% 50% no-repeat;
}

.scald-menu .add-buttons .add-file:hover {
  background-image: url('icons/file-large-color.png');
}

.dnd-drop-wrapper img.scald-file-icon,
img.scald-file-icon {
  height: 16px;
  vertical-align: top;
}

iframe.pdf,
.dnd-drop-wrapper iframe.pdf {
  width: 100%;
}