.newsletter-container {
    width: 300px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f2f2f2;
    border-radius: 10px;
    }

.newsletter-container:hover {
    /* offset-x | offset-y | blur-radius | spread-radius | color */
    transition: 100ms;
    box-shadow: 0px 0px 16px 0px lightgray;
    }
  
  h2 {
    font-size: 5vw;
  }
  
  form {
    display: flex;
  }
  
  input[type="email"] {
    flex: 1;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 3px;
    margin-right: 10px;
  }
  
  button[type="submit"] {
    padding: 5px 10px;
    background-color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
  }
  
  button[type="submit"]:hover {
    background-color: yellow;
  }