ul#menu, ul#avaibleLessons {
  margin: 0;
}

ul#menu li, ul#avaibleLessons li {
  width: 191px;

#btn_scroll_left,
#btn_scroll_right {
  display: none;
}

#answer_slider {
  width: 960px;
}

#answers {
  width:960px;
}

#answers li.answer {
  width: 187px;
  background-repeat: repeat-x;
  margin-right: 1px;
}

#answers li.answer a {
  width: 180px;
  background-repeat: repeat-x;
}

#menu a.question, #answers a.answer {
  width: 180px;
  background-repeat: repeat-x;
}