body {
  font-family: sans-serif;
}

img {
  border: 0;
}


#main {
  width: 960px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 80px;
}

#footer {
  font-size: 11px;
  color: gray;
  text-align: center;
  margin-top: 50px;
}