body {
    height: 100%;
    background-image: url('../img/bg.jpg');
}

.form-register {
  width: 100%;
  max-width: 400px;
  padding: 15px;
  margin: 0 auto;
}

.form-register {
  margin-top:80px;
  font-weight: 400;
}  

.form-group {
  margin-bottom: 5px;
}
form a{
  display: inline-block;
  margin-top:25px;
  line-height: 10px;
}