div label  {
  display: block;
  font-weight: bold;

}


.sep {
  margin-bottom: 10px;    
}
input.invalid {
  background-color: pink;
}
strong.error {
  color: red;
}
form {

width: 480px;
clear: both;

}

.error {
  color: red;
  font-weight: bold;
}

.in{
display: inline;
}
.required{
color: red;
font-weight: bold;


}