#headerdiv
{
position:relative;
background-color:darkblue;
width:98%;
border: solid 1px white;
color:white;
padding:5px;
}  
   
#footerdiv
{
position:relative;
background-color:darkblue;
width:98%;
border:solid 1px white;
color:white;
padding:5px;
}   
  
.plusminus{ 
font-weight:bold;  
margin:auto;
border:solid 5px black;  
margin-left:10px;
padding:5px; 
color:white;
font-size:14px;  
background-color:black;  
}  
  
.pl{
font-size:35px;
color:white;
font-weight:bold;  
}

.mn{
font-size:36px;
color:red; 
font-weight:bold;  
}
  
  
.Blue{
color:black;   
font-size:13px;
font-weight:bold;  
margin-left:10px;
background-color:white;
border:solid 5px black; 
padding:4%;  
}  
  
.Red{
color:black;   
font-size:13px;  
font-weight:bold;    
margin-left:10px;
background-color:white;
border:solid 5px black; 
padding:4%; 
}