*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit; }

html {
  font-size: 62.5%; }

body {
  box-sizing: border-box;
  padding: 3rem;
  background-image: linear-gradient(to bottom right, #45b649, #dce35b);
  background-repeat: no-repeat;
  height: 100vh; }

.btn, .btn:link, .btn:visited {
  display: inline-block;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  padding: 1.5rem 3rem;
  border-radius: 100px;
  font-size: 1.6rem;
  cursor: pointer;
  transition: all 0.2s; }

.btn:hover {
  transform: translateY(-0.3rem);
  box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.301); }

.btn:active, .btn:focus {
  outline: none;
  transform: translateY(-0.1rem);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.26); }

.btn-blue {
  background: linear-gradient(to bottom right, #1e1159, #62559d);
  color: white; }

.form {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  grid-row-gap: 0.5rem;
  justify-items: center; }
  .form-btn {
    align-self: center; }
  .form__title {
    text-transform: uppercase;
    padding: 2rem;
    font-size: 3rem;
    color: #62559d;
    text-align: center; }
  .form__radio-input {
    display: none; }
  .form__radio-label {
    display: inline-block;
    background-image: linear-gradient(to bottom right, #45b649, #dce35b);
    color: white;
    border-radius: 100px;
    width: 20rem;
    padding: 1rem 3rem;
    margin: 0 1rem;
    font-size: 3rem;
    cursor: pointer;
    text-align: center; }
    .form__radio-label:hover {
      background: #91c5c1; }
  .form__radio-input:checked + .form__radio-label {
    background: #68b0ab; }

.start {
  background-image: linear-gradient(to bottom right, #d9fff5, #c6e8df);
  padding: 5rem;
  margin: 5vh 20vw 0;
  box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.301); }