Check out example codes for "css padding". It will help you in understanding the concepts better.

Code Example 1

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

padding: 10px 20px;//top & bottom then left & right

padding-top: 5px; //just top padding
padding-right: 10px; //just right padding
padding-bottom: 15px; //just bottom padding
padding-left: 20px; //just left padding

Code Example 2

padding: 1%;  // scales proportionally - on ALL sides

Code Example 3

padding: 5px 10px 15px; //top then left & right then bottom

Code Example 4

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

Code Example 5

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

Code Example 6

padding: top, right, bottom, and left

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