css border shadow effect code example

Example 1: drop shadow image css

filter: drop-shadow(0px 10px 3px black);

Example 2: border shadow css

#example1 {
  box-shadow: 5px 10px;
}

Example 3: box shadow css

#Box-shadow-example {
Box-shadow:0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}
<!-- offset-x, offset-y, (blur-radius and/or spread-radius=optional) and color-->