Plz help me in this idk were is the problem?

Tell us what’s happening:

   **Your code so far**

<style>
 h4 {
   text-align: center;
   background-color: rgba(45, 45, 45, 0.1);
   padding: 10px;
   font-size: 27px;
 }
 p {
   text-align: justify;
 }
 .links {
   text-align: left;
   color: black;
 }

#thumbnail {
 /* offset-x | offset-y | blur-radius | spread-radius | color */
 box-shadow: 0 10px 20px rgba(0,0,0,0.19),0 6px 6px rgba(0,0,0,0.23);
}


 .fullCard {
   width: 245px;
   border: 1px solid #ccc;
   border-radius: 5px;
   margin: 10px 5px;
   padding: 4px;
 }
 .cardContent {
   padding: 10px;
 }
 .cardText {
   margin-bottom: 30px;
 }
</style>
<div class="fullCard" id="#thumbnail">
 <div class="cardContent">
   <div class="cardText">
     <h4>Alphabet</h4>
     <hr>
     <p><em>Google was founded by Larry Page and Sergey Brin while they were <u>Ph.D. students</u> at <strong>Stanford University</strong>.</em></p>
   </div>
   <div class="cardLinks">
     <a href="https://en.wikipedia.org/wiki/Larry_Page" target="_blank" class="links">Larry Page</a><br><br>
     <a href="https://en.wikipedia.org/wiki/Sergey_Brin" target="_blank" class="links">Sergey Brin</a>
   </div>
 </div>
</div>
   **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36.

Challenge: Add a box-shadow to a Card-like Element

Link to the challenge:

It passed for me. It may have something to do with your browser. Try a different one

Maybe tnk u for helping anyway :slight_smile: