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

Code Example 1

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

Code Example 2

<!Doctype>
<html>
<head>
  <style>
    .img {
      width: 400px;
      height: 200px;
      border:2px solid #fff;
      background: url(img/tiger.png) no-repeat;
      box-shadow: 10px 10px 5px #ccc;
      -moz-box-shadow: 10px 10px 5px #ccc;
      -webkit-box-shadow: 10px 10px 5px #ccc;
      -khtml-box-shadow: 10px 10px 5px #ccc;
    }
  </style>
</head>
<body>
  <div class="img"></div>
</body>
</html>

Code Example 3

box-shadow: 0 20px 20px rgba(0, 0, 0, 0.2), 0px, 0px, 50px rgba(0, 0, 0, 0.2)

Code Example 4

div.card
{

  width: 250px;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 
0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  text-align: 
center;

}

Code Example 5

Source:www.w3schools.com
0
image shadow cssCSS By Ankur on May 1 2020 Donate
<!Doctype>
<html>
<head>
  <style>
    .img {
      width: 400px;
      height: 200px;
      border:2px solid #fff;
      background: url(img/tiger.png) no-repeat;
      box-shadow: 10px 10px 5px #ccc;
      -moz-box-shadow: 10px 10px 5px #ccc;
      -webkit-box-shadow: 10px 10px 5px #ccc;
      -khtml-box-shadow: 10px 10px 5px #ccc;
    }
  </style>
</head>
<body>
  <div class="img"></div>
</body>
</html>

Code Example 6

/* CSS box shadow look like paper lift up*/
/* provide shadow to all four corners */
/* source - W3Schools.com */
 box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);

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