@charset "UTF-8";
/* Versão Mobie first */

* {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.3em;
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}

html,
body {
  height: 100vh;
}

body {
  background: black url("../imagens/back-phone.jpg") no-repeat;
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
}

main {
  background-color: rgba(245, 245, 245, 0.735);
  width: 90vw;
  margin: auto;
  margin-top: 20px;
  border-radius: 10px;
  padding: 10px;
}
h1 {
  text-align: center;
  color: white;
  text-shadow: 2px 2px 4px black;
}
img {
  display: block;
  margin: auto;
}
img#phone {
  display: block;
}
img#tablet {
  display: none;
}
img#print {
  display: none;
}
img#pc {
  display: none;
}
img#tv {
  display: none;
}