style.css

*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Space Grotesk", sans-serif; }

body {
  font-size: 0.8rem;
  line-height: 1.7;
  height: 100vh;
  display: flex;
  flex-direction: column;
  width: 100%;
  position: relative; }

section.left {
  background-image: url("images/bg-main-mobile.png");
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 240px;
  background-position: center;
  position: relative; }

div .card-1 {
  top: 33px;
  left: 73px; }

div .back {
  position: relative; }

span.text {
  color: #dedddf;
  position: absolute;
  top: 123px;
  left: 260px;
  font-size: 0.8rem; }

.back img {
  width: 285px;
  height: 157px;
  margin-top: 56px;
  margin-left: 58px; }

div.front-card {
  top: 126px;
  left: 16px; }

div.front {
  position: relative; }

.front img {
  width: 285px;
  height: 157px;
  margin-top: -74px;
  margin-left: 20px; }

div.solid {
  width: 30px;
  height: 30px;
  border: 1px solid #fff;
  background-color: #fff;
  margin-left: 15px;
  position: absolute;
  border-radius: 50%;
  left: 20px;
  top: -50px;
  content: ""; }

div.solid-empty {
  height: 13px;
  width: 13px;
  position: absolute;
  background-color: transparent;
  border: 1px solid #fff;
  border-radius: 50%;
  top: -40px;
  left: 45px;
  margin-left: 30px; }

span.span-1 {
  position: absolute;
  color: white;
  top: -10px;
  left: 40px;
  letter-spacing: 1px;
  font-size: 1.2rem; }

span.name {
  position: absolute;
  color: white;
  left: 40px;
  font-size: 10px;
  top: 44px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.6rem; }

span.span-flex {
  display: flex;
  position: absolute;
  left: 245px;
  top: 40px;
  color: white;
  font-size: 0.6rem; }

section.form-group {
  margin-top: 60px; }

form.form {
  padding: 30px 25px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between; }

.form-control {
  margin-bottom: 10px;
  padding-bottom: 20px;
  position: relative;
  padding-top: 10px;
  width: 100%;
  max-width: 375px; }
  .form-control label {
    display: inline-block;
    margin-bottom: 5px;
    font-family: inherit;
    font-weight: bold;
    text-transform: uppercase;
    color: #21092f; }

div.wrap {
  width: 100%;
  max-width: 375px;
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 10px; }

.form-control input {
  display: block;
  border: 1px solid #8e8593;
  border-radius: 4px;
  width: 100%;
  padding: 10px;
  font-family: inherit;
  font-size: 0.8rem;
  outline: none; }

.form-control input:hover {
  border: 2px solid #21092f; }

.form-control input:focus {
  outline: 0;
  border: 1px solid #21092f; }

.form-control.success input {
  border-radius: 1px solid #21092f; }

.form-control.error input {
  border-radius: 1px solid #ff5252; }

.form-control small {
  color: #ff5252;
  position: absolute;
  bottom: 0;
  left: 0;
  visibility: hidden; }

.form-control.error small {
  visibility: visible; }

.inline-input {
  display: flex;
  flex-direction: row; }

div.expiry {
  display: flex;
  margin-right: 25px; }

div.submit {
  width: 100%;
  max-width: 375px; }

input#submit-btn, div.complete button {
  background-color: #21092f;
  color: #fff;
  border: 2px solid #21092f;
  width: 100%;
  font-family: inherit;
  padding: 10px;
  border-radius: 4px;
  font-size: 1.1rem;
  text-align: center;
  margin-top: 20px; }
  input#submit-btn:hover, div.complete button:hover {
    background-color: #600594;
    border: none; }
  input#submit-btn:active, div.complete button:active {
    background-color: #600594; }

div.complete {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  text-align: center; }
  div.complete img {
    margin-bottom: 20px; }
  div.complete div.complete h2 {
    font-weight: 500;
    text-transform: uppercase;
    word-spacing: 4px;
    margin-bottom: 20px; }

div.complete p {
  font-size: 14px;
  color: #8e8593;
  margin-bottom: 20px; }

div.footer {
  text-align: center;
  font-family: sans-serif;
  margin-bottom: 15px;
  padding-top: 70px; }

.footer a {
  text-decoration: none; }

.footer a:hover {
  color: #ff5252; }

.footer a:active {
  border: 1px solid #21092f;
  color: #ff5252; }

div.complete button {
  width: 100%;
  max-width: 375px; }

div.complete button:active {
  background-color: #600594; }

@media screen and (min-width: 480px) and (max-device-width: 600px) {
  .back img {
    margin-left: 133px; }
  span.text {
    left: 320px; }
  .front img {
    margin-left: 75px; }
  div.solid {
    left: 80px; }
  div.solid-empty {
    left: 105px; }
  span.span-1 {
    left: 100px; }
  span.name {
    left: 101px; }
  span.span-flex {
    left: 300px; } }

@media screen and (min-width: 600px) {
  body {
    flex-direction: row; }
  section.form-group {
    padding-left: 208px;
    height: 100vh; }
  section.left {
    background-image: url("images/bg-main-desktop.png");
    width: 30%;
    height: 100vh; }
  .front img {
    top: -100px;
    position: absolute;
    margin-top: 0;
    left: 25px;
    height: 175px;
    width: 300px; }
  .back img {
    position: relative;
    top: 300px;
    left: 50px;
    height: 175px;
    width: 300px; }
  div.solid {
    left: 50px;
    z-index: 1;
    top: -75px; }
  div.solid-empty {
    top: -66px;
    left: 75px;
    z-index: 1; }
  span.span-1 {
    left: 73px;
    z-index: 1;
    font-size: 1.2rem;
    white-space: nowrap;
    overflow: hidden;
    top: -18px; }
  span.name {
    left: 78px;
    top: 28px;
    z-index: 1; }
  span.span-flex {
    left: 210px;
    z-index: 1;
    top: 26px; }
  span.text {
    z-index: 1;
    top: 431px;
    left: 321px; }
  div.complete {
    top: 204px;
    left: 76%; } }

@media screen and (min-width: 1020px) {
  section.form-group {
    padding-left: 300px; }
  .front img {
    left: 178px;
    top: -65px; }
  .back img {
    left: 220px;
    top: 350px; }
  div.solid {
    left: 203px;
    top: -43px; }
  div.solid-empty {
    left: 235px;
    top: -34px; }
  span.span-1 {
    left: 230px;
    z-index: 1;
    font-size: 1.2rem;
    top: 6px;
    white-space: nowrap;
    overflow: hidden; }
  span.name {
    left: 222px;
    top: 65px;
    white-space: nowrap;
    overflow: hidden; }
  span.span-flex {
    left: 407px;
    top: 62px; }
  span.text {
    z-index: 1;
    top: 482px;
    left: 481px; }
  div.complete {
    top: 204px;
    left: 76%; } }