html { 
  background: url(bg.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

img {
  border: none;
}

.header {
  color: white;
  width: 40%;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.content {
  width: 80%;
  margin-left:
  auto; margin-right: auto;
}

.content h2 {
  margin-bottom: 10px;
}

.item-title {
  font-size: large;
  font-weight: bold;
}

#nomark {
  padding-top: 0px;
  padding-left: 0px;
  margin-top: 0px;
  margin-left: 0px;
}

#nomark li {
  list-style-type: none;
}