.full_screen{
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  z-index: 9999;
}

.protect{
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
}
.download{
  display: inline;
  text-align: center;

}
.allow_print{
  display: inline;
}
.toggle_menu{
  display: inline;
}
.bbutton {
    margin-bottom: 10px;
}
.bbutton-bottom {
  margin-bottom: 10px;
  
}
.wp_head_example,
.native_style,
.powr_point_style,
.only_excel_viewer,
.g_slides, {
  text-align: center;
  margin: 0 auto; 
  padding-bottom: 20px;
}
.wp_head_example,
.google_docs,
.google_sheet,
.native_style,
.power_point_viewer,
.only_excel,
.word_style,
.g_slides_styles,
center h3 {
  text-align: center;
}