.fright
{
  float: right;
  margin: 5px 0 5px 5px;
}

.fleft
{
  float: left;
  margin: 5px 5px 5px 0;
}

.spoiler
{
  border: 1px solid #000;

  display: block;
  padding: 5px;
}

a.spoiler span
{
  visibility: hidden;
}

a.spoiler:hover span
{
  visibility: visible;
}