fix design of skills

- design of skills are not perfect.
- https://www.icecandy.io/profile/5
![image](https://user-images.githubusercontent.com/33506754/200208990-16193222-7c8c-407f-a3e2-0e6df1b45660.png)
![image](https://user-images.githubusercontent.com/33506754/200209045-926df3d2-bb75-40c4-b045-ad944c8556e4.png)

