Simple html/css design for photo manager

Hi all,

I'm working on a script for a couple of years now to maintain my photos, its an archive of almost 20k of photos in multiple folders. I use a basic self writen ugly interface and looking for someone that can create a better looking design for a small price!

Only looking for clean html/css/js design (without using big frameworks like jquery, bootstrap and so on).

Design as follows

header two colums
1 - logo
2 - reset, logout button

content three columns (+/- 20%, 60%, 20%)
1 -...

Simple html/css design for photo manager WordPress ...