html {
  box-sizing: border-box;
  height: 100%;
  font-family: Verdana, Helvetica, Arial;
  font-size: 14px; }
  @media screen and (min-width: 601px) {
    html {
      font-size: 16px; } }

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

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh; }

html header {
  margin-bottom: 3rem; }
  html header h1 {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.6); }
  html header h2 {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.7);
    text-shadow: 0 0.05em 0.1em rgba(255, 255, 255, 0.3); }

#root {
  position: relative;
  top: -4rem;
  text-align: center; }

body {
  background-color: #2a2561;
  background-image: url("/bg-1.jpg");
  background-size: cover;
  background-position: center center; }

.corner-button {
  display: inline-block;
  position: relative;
  cursor: pointer;
  background: transparent;
  border: 1rem solid currentColor;
  padding: 0;
  margin: 1rem;
  line-height: 0;
  color: #4c3b85;
  position: relative;
  transition: color 0.2s;
  z-index: 1; }
  .corner-button img {
    box-shadow: 0 0 3rem rgba(0, 0, 0, 0.3);
    transition: all 0.2s linear;
    filter: grayscale(0.2); }
  .corner-button:hover {
    color: #7e57c2; }
    .corner-button:hover::before {
      width: 0; }
    .corner-button:hover::after {
      height: 0; }
    .corner-button:hover img {
      transform: scale(1.03);
      filter: grayscale(0); }
  .corner-button:focus .lds-dual-ring {
    display: block; }
  .corner-button::before, .corner-button::after {
    content: '';
    position: absolute;
    background: #3b2d79;
    z-index: -1;
    transition: all 0.2s; }
  .corner-button::before {
    width: calc(100% - 3rem);
    height: calc(101% + 2rem);
    top: -1rem;
    left: 50%;
    transform: translateX(-50%); }
  .corner-button::after {
    height: calc(100% - 3rem);
    width: calc(101% + 2rem);
    left: -1rem;
    top: 50%;
    transform: translateY(-50%); }

.lds-dual-ring {
  width: 5rem;
  height: 5rem;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  padding: 1.5rem;
  background-color: rgba(0, 0, 0, 0.3);
  display: none; }

.lds-dual-ring:after {
  content: ' ';
  display: block;
  width: 64px;
  height: 64px;
  margin: 8px;
  border-radius: 50%;
  border: 6px solid #fff;
  border-color: #fff transparent #fff transparent;
  animation: lds-dual-ring 1.2s linear infinite; }

@keyframes lds-dual-ring {
  0% {
    transform: rotate(0deg); }
  100% {
    transform: rotate(360deg); } }
