To add more skills or change them you have to just copy and paste this following codes and just edit data-skill-value to adjust your skill ration
<div class="progress clear"> <div class="skill-name">Photoshop</div> <div class="skill-bar"> <div class="bar" style="width: 90%;"></div> </div> <div class="skill-lavel" data-skill-value="90%">90%</div> </div>