powerdns-admin/app/static/admin/pages/css/lock.css

/***
Lock Page
***/
body {
  background-color: #465568 !important;
  padding: 0;
  margin: 0;
}

.page-lock {
  margin: 90px auto 30px auto;
  width: 450px;
}

.page-lock .page-logo {
  text-align: center;
  margin-bottom: 15px;
}

.page-lock .page-body {
  width: 100%;
  margin-top: 50px;
  background-color: #3a4554;
  -webkit-border-radius: 7px;
  -moz-border-radius: 7px;
  -ms-border-radius: 7px;
  -o-border-radius: 7px;
  border-radius: 7px;
}

.lock-head {
  display: block;
  background-color: #323d4b;
  text-align: center;
  padding-top: 15px;
  padding-bottom: 15px;
  font-size: 22px;
  font-weight: 400;
  color: #4db3a5;
  -webkit-border-radius: 7px 7px 0 0;
  -moz-border-radius: 7px 7px 0 0;
  -ms-border-radius: 7px 7px 0 0;
  -o-border-radius: 7px 7px 0 0;
  border-radius: 7px 7px 0 0;
}

.lock-body {
  display: block;
  margin: 35px;
  overflow: hidden;
}

.lock-avatar {
  margin-top: 15px;
  height: 110px;
  -webkit-border-radius: 50% !important;
  -moz-border-radius: 50% !important;
  border-radius: 50% !important;
}

.lock-form {
  padding-left: 40px;
}

.lock-form h4 {
  margin-top: 0px;
  color: #dbe2ea;
  font-size: 18px;
  font-weight: 400;
}

.lock-form .form-group {
  margin-top: 20px;
}

.lock-form .form-group .form-control {
  background-color: #303a48;
  border: none;
  width: 220px;
  height: 40px;
  color: #697687;
}

.lock-form .form-group .form-control::-moz-placeholder {
  color: #556376;
  opacity: 1;
}

.lock-form .form-group .form-control:-ms-input-placeholder {
  color: #556376;
}

.lock-form .form-group .form-control::-webkit-input-placeholder {
  color: #556376;
}

.lock-form .form-group .form-control:focus {
  background-color: #2b3542;
}

.lock-form .form-actions {
  margin-top: 20px;
}

.lock-form .form-actions .btn-success {
  background-color: #e76070 !important;
  width: 220px;
  font-weight: 600;
  padding: 10px;
}

.lock-form .form-actions .btn-success:hover {
  background-color: #d75464 !important;
}

.lock-bottom {
  display: block;
  background-color: #323d4b;
  text-align: center;
  padding-top: 20px;
  padding-bottom: 20px;
  -webkit-border-radius: 0 0 7px 7px;
  -moz-border-radius: 0 0 7px 7px;
  -ms-border-radius: 0 0 7px 7px;
  -o-border-radius: 0 0 7px 7px;
  border-radius: 0 0 7px 7px;
}

.lock-bottom a {
  font-size: 14px;
  font-weight: 400;
  color: #638cac;
}

.lock-bottom a:hover {
  color: #7ba2c0;
}

.page-footer-custom {
  text-align: center;
  padding-top: 40px;
  color: #5f6e83;
}

@media (max-width: 768px) {
  .page-lock {
    margin: 100px auto;
  }
}
@media (max-width: 560px) {
  .page-lock {
    margin: 50px auto;
    width: 400px;
  }

  .lock-body {
    margin: 30px;
  }

  .lock-avatar {
    width: 120px;
    height: 120px;
    margin-top: 20px;
  }

  .lock-form h4 {
    font-size: 16px;
  }

  .lock-form .form-group .form-control {
    padding: 20px 20px;
    width: 170px;
  }

  .lock-form .form-actions .btn-success {
    width: 170px;
    margin-bottom: 10px;
  }
}
@media (max-width: 420px) {
  .page-lock {
    margin: 30px auto;
    width: 280px;
  }

  .lock-body {
    margin: 0px;
  }

  .page-lock .page-body {
    margin-top: 30px;
  }

  .lock-avatar {
    margin-top: 20px;
  }

  .lock-avatar-block {
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: 10px;
  }

  .lock-form {
    padding-left: 20px;
  }

  .lock-form h4 {
    font-size: 16px;
    text-align: center;
  }

  .lock-form .form-group .form-control {
    padding: 20px 20px;
    width: 240px;
  }

  .lock-form .form-actions .btn-success {
    width: 240px;
    margin-bottom: 20px;
  }
}