How can improve this form?
<form>
<h1> Contact Form</h1>
<fieldset>
<legend> Please fill out your contact information in the spaces below.</legend>
<fieldset>
<label for="first-name"> First Name <input required type="text" value="first-name" id="first-name"></label>
</fieldset>
<fieldset>
<label for="last-name"> Last Name <input required type="text" name="last-name" id="last-name" value="last-name"></label>
</fieldset>
<fieldset>
<label for="street-address"> Street Address <input required type="text" value="street-address"id="street-address"name="street address"></label>
</fieldset>
<fieldset>
<label for="city-name"> City <input required type="text" name="city" id="name" value="name"></label>
</fieldset>
<fieldset>
<label for="state"> State <input required type="text" name="state" id="state" value="state"></label>
</fieldset>
<fieldset>
