.paragraph {  
 font-family: Verdana; 
 font-size: x-small; 
 font-weight: bold;
 background-color: #f5f5f5;
}
.plaintext {
 font-family: Verdana; 
 font-size: x-small; 
}
.topic {
 font-family: Verdana; 
 font-size: medium; 
 font-weight: bold;
}
.control {
 font-family: Verdana; 
 font-size: x-small; 
 font-weight: bold;
}
.question {
 font-family: Verdana; 
 font-size: xx-small; 
 font-weight: bold;
}