Home --> Font : Alt + H
Figure 1: Borders --> Alt + H + B
Figure 2: Theme & Standard colors --> Alt + H + H
Figure 3: Automatic --> Theme & Standard colors --> Alt + H + FC
Figure 4: Format Cells --> Alt + H + FN (or) Ctrl + Shift + F
Figure 5: Bold --> Alt + H + 1 (or) Ctrl + B