The fieldset

The below CSS rules are define the appearance of the fieldset. Using CSS we can change both the display of the automatically created box and the appearance of the text contained in this field.

The CSS rules:

#fieldset {
  color: #6E3F19;
  font-size:1.2 em;
  font-weight: bold;
  background: #F5F5DC;
}
/*....*/
<fieldset id="fieldset">
  /*your code goes here*/
</fieldset>

will create a page displayed as:

Fieldset css