Openbox Button Images are misaligned

I’m trying to setup my Openbox environment but I having an issue. Everytime I installed a new theme, I always get the Windows Titles icons misaligned.

For example, this Nord-Openbox theme:


And this Arc-Clone


But other themes that come by default are fine.

My specs:

OS: Arch Linux x86_64 
Host: HP Pavilion Notebook 
Kernel: 5.12.14-arch1-1 
Uptime: 37 mins 
Packages: 1786 (pacman) 
Shell: bash 5.1.8 
Resolution: 1600x900 
WM: Openbox 
WM Theme: Nord-Openbox 
Theme: Zukitwo-dark (GTK2/3) 
Icons: Crule-dark (GTK2/3) 
Terminal: xterm 
Terminal Font: JetBrains Mono 
CPU: Intel Pentium N3700 (4) @ 2.400GHz 
GPU: Intel Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx 
GPU: AMD ATI Radeon R7 M260/M265 / M340/M360 / M440/M445 / 530/535 / 620/625 Mobile 
Memory: 1067MiB / 3787MiB