Merge pull request #13 from HoangThiTuanDung/develop

theme
Merge pull request #14 from HoangThiTuanDung/develop

view post for guest
add css
Merge pull request #18 from daolm/master

add css
add js
Merge pull request #19 from daolm/master

add js
user search
Merge pull request #20 from daolm/master

user search
design