h1 {
  background-color: #00ff00;
  text-align: center;
  padding: 10px;
}
#wrapper {
  width: 80%;
  margin-right: auto;
  margin-left: auto;
}
body {
  background-color: #f78181;
  padding: 20px;
}
nav {
  width: 98.3%;
  background-color: #c0c0c0;
  padding: 10px;
}
nav a {
  text-decoration: none;
}
nav ul {
  list-style-type: none;
  margin: 0px;
  padding-left: 0px;
}
table,
th,
td {
  border: 1px solid #000000;
}
th,
td {
  padding: 10px;
}
table img {
  height: 150px;
  width: 180px;
}
a {
  text-decoration: none;
}
#mobile {
  display: none;
}
#desktop {
  display: inline;
}
iframe {
  border: 0px;
}
@media only all and (max-width: 768px) {
  body {
    padding: 0px;
  }
  h1 {
    height: 100%;
    font-size: 1.5em;
    padding-left: 0em;
  }
  nav {
    padding: 0px;
  }
  nav a {
    display: block;
    padding: 0.2em;
    font-size: 1.4em;
    border-bottom: 1px solid #330000;
  }
  main {
    padding: 0.1em 0.6em 0.1em 0.4em;
  }
  table img {
    display: none;
  }
  th,
  td {
    padding: 0px;
  }
  #mobile {
    display: inline;
  }
  #desktop {
    display: none;
  }
  iframe {
    height: 270px;
    width: 270px;
  }
  #wrapper {
    width: auto;
    min-width: 0px;
    margin: 0px;
  }
}