@font-face 
{
  font-family: 'Roboto';
  font-style: normal;
  src: url('Roboto-Light.ttf') format('truetype');
}

@font-face 
{
  font-family: 'Roboto';
  font-style: normal;
  font-weight: bold;
  src: url('Roboto-Bold.ttf') format('truetype');
}
@font-face 
{
  font-family: 'Roboto';
  font-style: italic;
  font-weight: bold;
  src: url('Roboto-BoldItalic.ttf') format('truetype');
}