Really don't know why my solutions are not submitting when it is actually correct, need help please

Tell us what’s happening:

Your code so far

<style>
  .injected-text {
    margin-bottom: -25px;
    text-align: center;
  }

  .box {
    border-style: solid;
    border-color: black;
    border-width: 5px;
    text-align: center;
  }

  .yellow-box {
    background-color: yellow;
    padding: 10px;
    
  }
  
  .red-box {
    background-color: red;
    padding-top: 40px;
    padding-right: 20px;
    padding-bottom: 20px;
    padding-left: 40px;
  }

  .green-box {
    background-color: green;
    padding-top: 40px;
    padding-right: 20px;
    padding-bottom: 20px;
    padding-left: 40px;
  }
</style>
<h5 class="injected-text">margin</h5>

<div class="box yellow-box">
  <h5 class="box red-box">padding</h5>
  <h5 class="box green-box">padding</h5>
</div>

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Linux; Android 7.0; en-us; Infinix X559C Build/NRD90M;) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36.

Link to the challenge:
https://www.freecodecamp.org/challenges/add-different-padding-to-each-side-of-an-element

Can you try another browser?