/* * {
  border-color: red;
  border-width: 1px;
  border-style: solid;
} */

html {
  background: lightblue url("/images/forest-2942477_1920.jpg") no-repeat fixed center;
  background-size: cover;
  margin: 0;
  padding: 0;
}

body {
  display: block;
  width: 100%;
  height: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  margin: 0;
  padding: 30px 0;
  background-color: rgba(0, 0, 0, 0.8);
}

div {
  display: block;
}

.glass {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 10%;
  padding-top: 30px;
  width: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(5px);
  border-radius: 5px;
}

img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

h1, h2, h3, h4 {
  font-family: sans-serif;
  color: whitesmoke;
  display: block;
  width: 100%;
  text-align: center;
  margin: auto;
}

h1 {
  color: gray;
  font-size: 5em;
  padding-top: 50px;
  padding-bottom: 50px;
}

@media (orientation: landscape) {
  .glass {
    width: 60%
  }
}

@media (orientation: portrait) {
  .glass {
    width: 90%;
  }
}