body
{
  margin: 20px 0 20px 0;

  background-image: url(https://didierverna.com/.common/background.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  color: white;

  font-family: 'Trebuchet MS', Arial, Helvetica, sans-serif;
  font-size: 16px;
}

a
{
  color: white;
}

a img
{
  border-width: 0px;
}

.tab-button
{
  font-size: 14px;
}