@font-face 
{
  font-family: 'OpenSans-Light';
  src: url(open_sans/OpenSans-Light.ttf) format('truetype')
}

@font-face 
{
  font-family: 'OpenSans-Regular';
  src: url(open_sans/OpenSans-Regular.ttf) format('truetype')
}

@font-face 
{
  font-family: 'OpenSans-SemiBold';
  src: url(open_sans/OpenSans-SemiBold.ttf) format('truetype')
}