html,
body {
  font-family: 'Open Sans', 'Ubuntu', Helvetica, serif;
  background-color: #ffffff;
  color: #fff;
  height: 100%;
}

.bgdiv {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  min-height: 100%;
}

.sheet {
  background-color: #000;
  border-radius: 10px;
  opacity: 0.7;
  padding: 10px;
  margin-top: 10%;
  margin-left: 10%;
  margin-right: 10%;
}

#box {
  padding: 5% 0;
  border-top: 1px white solid;
  border-bottom: 1px white solid;
}

.temperature {
  font-size: 200%;
  display: inline-block;
}

#symbol {
  color: #0077be;
}

#credits {
  padding-top: 1%;
}