a{
  font-family: Arial, Helvetica, sans-serif;
  text-decoration: none; 
  margin-left: 20;
  margin-top: 20;
  margin-bottom: 20;
  color: #3b3a48;
  height: 50;
}

ul.menu {
  border-bottom: none;
  list-style: none;
  width: 500px;
}
ul.menu li {
  background: #FFFFFF;
  border-bottom: 1px solid #D3D3D9;
  border-top: 1px solid #FFF;
  margin-left: 20;
  margin-top: 10;
  margin-bottom: 15;
}