html,
body {
  height: 100%;
}

body {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  /*background-color: #f5f5f5;*/
  background-image: url(/images/bg.png);
    background-position: right bottom;
    background-repeat: no-repeat;
}

form {
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: auto;
}
form .checkbox {
  font-weight: 400;
}
form .form-control {
  height: auto;
  padding: 10px;
  font-size: 16px;
}
form .form-control:focus {
  z-index: 2;
}