How to create cards in one form using react-forms

Hi Team

How do i create cards, meaning 3 cards within a form. Below i try to use normal CSS stylesheet and cant seem to achieve it well and need help

// App.css
/**
* All the stylesheet for the application
*@author:Gcobani Mkontwana
@date:14/06/2022
*/
* {
  box-sizing: border-box;
}
/* Style the body */
body {
    font-family: Arial, Roboto, sans-serif;
    margin: 0;
  }
  /* Header/logo Title */
  .header {
    padding: 80px;
    text-align: center;
    background: #269faf;
    color: white;
  }
  /* Increase the font size of the heading */
  .header h1 {
    font-size: 40px;
  }
  /* Style the top navigation bar */
  .navbar {
    overflow: hidden;
    background-color: #FF6600;
  }
  /* Style the navigation bar links */
  .navbar a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 15px;
    text-decoration: none;
  }
  /* Right-aligned link */
  .navbar a.right {
    float: right;
  }
  /* Change color on hover */
  .navbar a:hover {
    background-color: #FF6600;
    color: orangered;
  }
  /* Column container */
  .row {  
    display: -ms-flexbox; /* IE10 */
    display: flex;
    -ms-flex-wrap: wrap; /* IE10 */
    flex-wrap: wrap;
  }
  /* Create two unequal columns that sits next to each other */
  /* Sidebar/left column */
  .side {
    -ms-flex: 30%; /* IE10 */
    flex: 30%;
    background-color: #f1f1f1;
    padding: 20px;
  }
  /* Main column */
  .main {  
    -ms-flex: 70%; /* IE10 */
    flex: 70%;
    background-color: white;
    padding: 20px;
  }
  /* Footer */
  .footer {
    padding: 20px;
    text-align: center;
    background: #ddd;
  }
  /**
    Content
  */
  .on-time-delivery-g {
    color: #FF6600;
    font-family: Roboto;
    font-size: 14px;
    line-height: 16px;
    text-align: left;
  }
    /*
    Free shipping
  */
  .free-shipping-up {
    color: #FF6600;
    font-family: Roboto;
    font-size: 14px;
    line-height: 16px;
    text-align: left;
  }
  /**logo*/
  .logo {
    width: 46px;
    height: 40px;
  }
  /**
    Button stylesheet here.
  */