padding only if next to something css code example

Example 1: padding css

padding:10px 5px 15px 20px;
means
top padding is 10px
right padding is 5px
bottom padding is 15px
left padding is 20px

Example 2: padding css

.box {
  padding: <padding-top> || <padding-right> || <padding-bottom> || <padding-left>
}