delete useless css
change order
change require css file
new style.css.scss and insert common css to file
nesting css to scss
reorder css
nesting css to scss home page
color varible
nesting css to scss in rent page
nesting css to scss in contact and about_us page
coding style
add common css
reorder and nesting css
Merge branch 'css_to_sass' into chihsuan