how to put all labels in bold with css
<p>how do I make all labels such as : first name, last name, etc in bold, by using header only? 
thank you</p>

<pre><code> &lt;form&gt;
                &lt;fieldset class="set1"&gt;
                    &lt;legend class="set1"&gt;Music Lover's Personal information&lt;/legend&gt;
                    First Name
                    &lt;input type="text" name="firstname" value=""&gt;&lt;br&gt;&lt;br&gt;
                    Family Name
                    &lt;input type="text" name="lastname" value=""&gt;&lt;br&gt;&lt;br&gt;
                    Gender:
                    &lt;input type="radio" name="gender" value="Female"&gt;Female
                    &lt;input type="radio" name="gender" value="male"&gt;Male&lt;br&gt;&lt;br&gt;
                    What age category are you from?
</code></pre>