.registration{
  padding-top: 45px;
  justify-content:center;
}
.texto-blanco{
  color: #FFFFFF;
}
.btn-group .btn {
  width: 100%;
}
.btn-group {
  width: 100%;
}
.letra{
   font-variant: normal;
   font-weight: bold;
}
a:link
{
text-decoration:none;
}