#courses_table { 
  border: 0px solid black;
  position: absolute;
  width: 516px;
}

div.courses_semester { 
  border: 0px solid black;
  width: 258px;
  height: 70px;
  float: left;
}

div.courses_summer {
  border: 0px solid black;
  width: 516px;
  height: 55px;
  float: left;
}

ul {
  margin-top: 2px;
  margin-left: -10px;
}

li { 
  font-size: 10px;
}