remove style within javascript
remover CSS
add helpers for buttons
add helpers for clearfix
add helpers for em

Function to convert pc to em.
Add style to post
add variables for typography
add variables for colors
organizing
add variables
add styles of others
add style basic
Add style header
Add style footer.
Add style tags.
Add style static background
Add style archive list
add style to tablet version
add style to mobile version
Adjust image size in the tablet version