#howtouse ul {
 list-style-type: none;
}

#howtouse li {
  margin-bottom: 10px;
  background-repeat: no-repeat;  
  background-position: left top;
  padding-bottom: 5px;
  padding-left: 25px;
}

#howtouse li.one {
 background-image: url('../images/1s.gif');
}

#howtouse li.two {
 background-image: url('../images/2s.gif');
}

#howtouse li.three {
 background-image: url('../images/3s.gif');
}

#howtouse li.four {
 background-image: url('../images/4s.gif');
}

#howtouse li.five {
 background-image: url('../images/5s.gif');
}