.dokucrypt2pw_prompt { position:fixed; left: 50%; top:50%; margin-left:-100px; padding:15px; width:200px; border:1px solid black; background-color:white; z-index: 999; } .dokucrypt2pw_prompt label { display:block; margin-bottom:5px; } .dokucrypt2pw_prompt input { margin-bottom:10px; }