body {
  background-image: url("https://cutewallpaper.org/21/shonen-jump-wallpaper-hd/Shonen-Jump-Shonen-Jump-foto-6581807-fanpop.jpg");
}

#centerB {
  text-align: center;
}

#buttonD {
   padding: 25px;    
   font-size: 25px;
   text-decoration: underline;  
   font-family: Comic Sans MS, Comic Sans, cursive;
   border: 3px solid black;
}

#arrayOutput {
  font-size: 25px; 
  text-align: center; 
  background-color: lightgrey;
  margin-left: 280px;
  margin-right: 280px; 
  border-radius: 12px;
  border: 2px solid black;
} 

input[type=text] {
  padding: 0.5em 9.5em;  
  
}

#addPush {
  padding: 0.5em 1.5em; 
  font-size: 20px; 
  border: 3px solid black;
}

#deletePop {
  padding: 0.5em 1.5em; 
  font-size: 20px;
   border: 3px solid black;
}

#mixSplice {
  padding: 0.5em 1.5em; 
   font-size: 20px;  
   border: 3px solid black;
}