.fo {
  margin : 1;
  padding : 0;
}
.cad {
  border-top: 1px black solid;
  border-right: 1px black solid;
  border-bottom: 1px black solid;
  border-left: 1px black solid;
}
.form {
  color: black;
  font-family: Verdana;
  font-weight: bold; 
  font-size: 10px; 
  background-color: white; 
  border-top: 1px solid; 
  border-right: 1px solid; 
  border-bottom: 1px solid; 
  border-left: 1px solid;
}