.vertical-align:before {
    display: inline-block;
    height: 100%;
    content: '';
    vertical-align: middle;
}

.page-login:before {
  background-image: url("../images/cover-bg.jpg");
}

.page-login form {
  width: 340px;
  margin: 30px 0;
}

.page-login form a {
  margin-left: 20px;
}

.page-login .site-navbar, .page-login .site-footer {
    display: none;
}

.page-login .container.page-content {
    height: 100%;
}

.page-login .register-box {
    background-color: rgba(25, 32, 36, 0.6);
    box-shadow: 0 0px 15px rgba(0,0,0,.15);
}

@media (max-width: 767px) {
  .page-login form {
    width: auto;
  }
}