.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;
}