html multiple checkbox list

1<form method="post" action="/Tests/Post/">         
2  <fieldset>              
3    <legend>What is Your Favorite Pet?</legend>             
4    <input type="checkbox" name="favorite_pet" value="Cats">Cats<br>             
5    <input type="checkbox" name="favorite_pet" value="Dogs">Dogs<br>             
6    <input type="checkbox" name="favorite_pet" value="Birds">Birds<br>             
7    <br>              
8    <input type="submit" value="Submit now" />          
9  </fieldset>      
10</form>

1<style>
2#checkboxes label{
3    display:block;
4    padding:5px;
5}
6</style>
7<div id="checkboxes">
8    <label for="one"><input type="checkbox" id="one" />First</label>
9    <label for="two"> <input type="checkbox" id="two" />Second </label> 
10    <label for="three"><input type="checkbox" id="three" />Third </label>
11</div>