*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

/* end reset */

body, html {
  height: 100%;
}

body {
  background-color: black;
  background-image: url('images/bg-1200.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

@media only screen and (min-width: 1600px) {
  body {
    background-image: url('images/bg-1600.jpg');
  }
}

@media only screen and (min-width: 2000px) {
  body {
    background-image: url('images/bg-2000.jpg');
  }
}


@media only screen and (max-width: 800px) {
  body {
    background-image: url('images/bg-800.jpg');
  }
}

body > div {
  margin: 10px 0;

  background-color: rgb(255 255 255 / 0.3);

  width: 400px;

  backdrop-filter: blur(15px);
  border-radius: 15px;
}

body > div:first-of-type {
  margin-top: 0;
}

body > div:last-of-type {
  margin-bottom: 0;
}

.link-button {
  color: #f5cf93;
  font-family: 'Poppins', sans-serif;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 2em;
  line-height: 100px;

  width: 100%;

  display: inline-block;
  text-align: center;

  text-shadow: 1px 1px 10px #000;
}