Code Block Padding or Spacing

Site URL: https://sparkotechengineering.squarespace.com/

I need help on how to put padding on this code block under Our company > Licenses. 

Still a beginner in coding. You can suggest a better code so i can study it. I Appreciate your understanding to help. 

password: customer123

Can you describe in detail? Which padding?

@tuanphan i would like to put spaces on each image. To make it uniform and clean.

#block-yui_3_17_2_1_1594021183859_31536 div {
    text-align: center;
}

#block-yui_3_17_2_1_1594021183859_31536 div img {
    padding: 5px;
}