Bootstrap/less/panels.less

//
// Panels
// --------------------------------------------------


// Base class
.panel {
  padding: 15px;
  margin-bottom: 20px;
  background-color: @panel-bg;
  border: 1px solid @panel-border;
  border-radius: @panel-border-radius;
  .box-shadow(0 1px 1px rgba(0,0,0,.05));

  // List groups in panels
  .list-group {
    margin: 15px -15px -15px;

    .list-group-item {
      border-width: 1px 0;

      // Remove border radius for top one
      &:first-child {
        .border-top-radius(0);
      }
      // But keep it for the last one
      &:last-child {
        border-bottom: 0;
      }
    }
  }
}

// Optional heading
.panel-heading {
  margin: -15px -15px 15px;
  padding: 10px 15px;
  background-color: @panel-heading-bg;
  border-bottom: 1px solid @panel-border;
  border-top-left-radius:  (@panel-border-radius - 1);
  border-top-right-radius: (@panel-border-radius - 1);
}

// Within heading, strip any `h*` tag of it's default margins for spacing.
.panel-title {
  margin-top: 0;
  margin-bottom: 0;
  font-size: (@font-size-base * 1.25);
  font-weight: 500;
  > a {
    color: inherit;
  }
}

// Optional footer (stays gray in every modifier class)
.panel-footer {
  margin: 15px -15px -15px;
  padding: 10px 15px;
  background-color: @panel-footer-bg;
  border-top: 1px solid @panel-border;
  border-bottom-left-radius:  (@panel-border-radius - 1);
  border-bottom-right-radius: (@panel-border-radius - 1);
}

// Contextual variations
.panel-primary {
  .panel-variant(@panel-primary-border; @panel-primary-text; @panel-primary-heading-bg; @panel-primary-border);
}
.panel-success {
  .panel-variant(@panel-success-border; @panel-success-text; @panel-success-heading-bg; @panel-success-border);
}
.panel-warning {
  .panel-variant(@panel-warning-border; @panel-warning-text; @panel-warning-heading-bg; @panel-warning-border);
}
.panel-danger {
  .panel-variant(@panel-danger-border; @panel-danger-text; @panel-danger-heading-bg; @panel-danger-border);
}
.panel-info {
  .panel-variant(@panel-info-border; @panel-info-text; @panel-info-heading-bg; @panel-info-border);
}