button box shadow in css code example

Example 1: box shadow css

box-shadow: 3px 3px 6px 5px #ccc;

or

box-shadow: 0px 5px 17px -7px rgba(0, 0, 0, 0.75);

Example 2: change button shaddow css

button{
  2.5px 2.5px 2px #888;
}