header {background-color:#eeeeee;}
h1 {color:#373;
}
#main {
}
footer {
  color:#fff;
  background-color:#000000;
  padding:0.3em 0.5em;
}

.source {font-size:0.7em;}
.label {}
.value {font-size:1.3em;}
.temp {font-size:2em; font-weight:bold;}