So frustrated. 2 wasted days. Didn't have the heart to do anything.
Turned to changing this site skin to cool down. It may be weird for some, but quite effective for myself.

Anyway, here are the official information about the skin:

Skin Title: FTStudio V1 (FusedThought Official v1)
Number: 5th
ID: N5-03D10M2K7Y
Customization: None

Permanent skin application URL: http://gyeojz.blogspot.com/?css=5
Reset to default: http://gyeojz.blogspot.com/?css=0