Code Playground

<div class="iphone">
  <header class="header">
    <h1>Checkout</h1>
  </header>

<form action="https://httpbin.org/post" class="form" method="POST">
    <div>
      <h2>Address</h2>

<div class="card">
        <address>
          Adam Johnson<br />
          403 Oakland Ave Street, A city, Florida, 32104,<br />
          United States of America
        </address>
      </div>
    </div>

<fieldset>
      <legend>Payment Method</legend>

<div class="form__radios">
        <div class="form__radio">
          <label for="visa"><svg class="icon">
              <use xlink:href="#icon-visa" />
            </svg>Visa Payment</label>
          <input checked id="visa" name="payment-method" type="radio" />
        </div>

<div class="form__radio">
          <label for="paypal"><svg class="icon">
              <use xlink:href="#icon-paypal" />
            </svg>PayPal</label>
          <input id="paypal" name="payment-method" type="radio" />
        </div>

<div class="form__radio">
          <label for="mastercard"><svg class="icon">
              <use xlink:href="#icon-mastercard" />
            </svg>Master Card</label>
          <input id="mastercard" name="payment-method" type="radio" />
        </div>
      </div>
    </fieldset>

<div>
      <h2>Shopping Bill</h2>

<table>
        <tbody>
          <tr>
            <td>Shipping fee</td>
            <td align="right">$5.43</td>
          </tr>
          <tr>
            <td>Discount 10%</td>
            <td align="right">-$1.89</td>
          </tr>
          <tr>
            <td>Price Total</td>
            <td align="right">$84.82</td>
          </tr>
        </tbody>
        <tfoot>
          <tr>
            <td>Total</td>
            <td align="right">$88.36</td>
          </tr>
        </tfoot>
      </table>
    </div>

@use postcss-preset-env {
  stage: 0;
}

:root {
  --color-background: #fae3ea;
  --color-primary: #fc8080;
  --font-family-base: Poppin, sans-serif;
  --font-size-h1: 1.25rem;
  --font-size-h2: 1rem;
}

* {
  box-sizing: inherit;
}

html {
  box-sizing: border-box;
}

body {
  background-color: var(--color-background);
  display: grid;
  font-family: var(--font-family-base);
  line-height: 1.5;
  margin: 0;
  min-block-size: 100vh;
  padding: 5vmin;
  place-items: center;
}

address {
  font-style: normal;
}

button {
  border: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

h1 {
  font-size: var(--font-size-h1);
  line-height: 1.2;
  margin-block: 0 1.5em;
}

h2 {
  font-size: var(--font-size-h2);
  line-height: 1.2;
  margin-block: 0 0.5em;
}

legend {
  font-weight: 600;
  margin-block-end: 0.5em;
  padding: 0;
}

input {
  border: 0;
  color: inherit;
  font: inherit;
}

input[type="radio"] {
  accent-color: var(--color-primary);
}

table {
  border-collapse: collapse;
  inline-size: 100%;
}

tbody {
  color: #b4b4b4;
}

td {
  padding-block: 0.125em;
}

tfoot {
  border-top: 1px solid #b4b4b4;
  font-weight: 600;
}

.align {
  display: grid;
  place-items: center;
}

.button {
  align-items: center;
  background-color: var(--color-primary);
  border-radius: 999em;
  color: #fff;
  display: flex;
  gap: 0.5em;
  justify-content: center;
  padding-block: 0.75em;
  padding-inline: 1em;
  transition: 0.3s;
}

.button:focus,
.button:hover {
  background-color: #e96363;
}

.button--full {
  inline-size: 100%;
}

.card {
  border-radius: 1em;
  background-color: var(--color-primary);
  color: #fff;
  padding: 1em;
}

.form {
  display: grid;
  gap: 2em;
}

.form__radios {
  display: grid;
  gap: 1em;
}

.form__radio {
  align-items: center;
  background-color: #fefdfe;
  border-radius: 1em;
  box-shadow: 0 0 1em rgba(0, 0, 0, 0.0625);
  display: flex;
  padding: 1em;
}

.form__radio label {
  align-items: center;
  display: flex;
  flex: 1;
  gap: 1em;
}

.header {
  display: flex;
  justify-content: center;
  padding-block: 0.5em;
  padding-inline: 1em;
}

.icon {
  block-size: 1em;
  display: inline-block;
  fill: currentColor;
  inline-size: 1em;
  vertical-align: middle;
}

.iphone {
  background-color: #fbf6f7;
  background-image: linear-gradient(to bottom, #fbf6f7, #fff);
  border-radius: 2em;
  block-size: 812px;
  box-shadow: 0 0 1em rgba(0, 0, 0, 0.0625);
  inline-size: 375px;
  overflow: auto;
  padding: 2em;
}

Frontend Forever App