body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #1e2c69 0%, #2982c6 100%);
  background-attachment: fixed;
}
.content-box {
  max-width: 400px;
  margin: 60px auto 0;
  border: none;
  border-radius: 8px;
  overflow: hidden;
  -webkit-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  background-color: #fff;
}
.content-box > .panel-heading {
  background-color: #1e2c69;
  border-bottom: 4px solid #56a42f;
  padding: 20px 24px 16px;
}
.content-box > .panel-heading .panel-title,
.content-box > .panel-heading .panel-title strong {
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.content-box > .panel-heading .panel-subtitle {
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  margin-top: 2px;
}
.content-box .panel-body {
  padding: 24px;
}
.content-box .panel-body .form-group {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}
.content-box .panel-body .form-group label {
  flex: 0 0 90px;
  margin-bottom: 0;
  margin-right: 12px;
}
.content-box .panel-body .form-group input {
  flex: 1 1 auto;
  min-width: 0;
}
.content-box .panel-footer {
  background-color: #f4f6fa;
  border-top: 1px solid #e2e6ee;
}
.is-clock {
  float: right !important;
  color: rgba(255, 255, 255, 0.7);
}