espocrm-base/frontend/less/espo/bootstrap/panels.less

// Panels

.panel {
  margin-bottom: var(--line-height-computed);
  background-color: @panel-bg;
  border: var(--1px) solid transparent;
}

// Panel contents
.panel-body {
  &:extend(.clearfix all);
}

// Optional heading
.panel-heading {
  padding: var(--6px) var(--10px);
  border-bottom: var(--1px) solid transparent;

  > .dropdown .dropdown-toggle {
    color: inherit;
  }
}

// Within heading, strip any `h*` tag of its default margins for spacing.
.panel-title {
  margin-top: 0;
  margin-bottom: 0;
  color: inherit;

  > a,
  > small,
  > .small,
  > small > a,
  > .small > a {
    color: inherit;
  }
}

// Optional footer (stays gray in every modifier class)
.panel-footer {
  padding: var(--6px) var(--10px);
  background-color: @panel-footer-bg;
  border-top: var(--1px) solid @panel-inner-border;
}


// List groups in panels

.panel {
  > .list-group,
  > .panel-collapse > .list-group {
    margin-bottom: 0;

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

    // Add border top radius for first one
    &:first-child {
      .list-group-item:first-child {
        border-top: 0;
      }
    }

    // Add border bottom radius for last one
    &:last-child {
      .list-group-item:last-child {
        border-bottom: 0;
      }
    }
  }
  > .panel-heading + .panel-collapse > .list-group {
    .list-group-item:first-child {
      .border-top-radius(0);
    }
  }
}
// Collapse space between when there's no additional content.
.panel-heading + .list-group {
  .list-group-item:first-child {
    border-top-width: 0;
  }
}
.list-group + .panel-footer {
  border-top-width: 0;
}

// Tables in panels

.panel {
  > .table,
  > .table-responsive > .table,
  > .panel-collapse > .table {
    margin-bottom: 0;
  }

  > .panel-body + .table,
  > .panel-body + .table-responsive,
  > .table + .panel-body,
  > .table-responsive + .panel-body {
    border-top: var(--1px) solid @table-border-color;
  }
  > .table > tbody:first-child > tr:first-child th,
  > .table > tbody:first-child > tr:first-child td {
    border-top: 0;
  }
  > .table-bordered,
  > .table-responsive > .table-bordered {
    border: 0;
    > thead,
    > tbody,
    > tfoot {
      > tr {
        > th:first-child,
        > td:first-child {
          border-left: 0;
        }
        > th:last-child,
        > td:last-child {
          border-right: 0;
        }
      }
    }
    > thead,
    > tbody {
      > tr:first-child {
        > td,
        > th {
          border-bottom: 0;
        }
      }
    }
    > tbody,
    > tfoot {
      > tr:last-child {
        > td,
        > th {
          border-bottom: 0;
        }
      }
    }
  }
  > .table-responsive {
    border: 0;
    margin-bottom: 0;
  }
}


// Accordion

.panel-group {
  margin-bottom: var(--line-height-computed);

  .panel {
    margin-bottom: 0;

    + .panel {
      margin-top: var(--5px);
    }
  }

  .panel-heading {
    border-bottom: 0;

    + .panel-collapse > .panel-body,
    + .panel-collapse > .list-group {
      border-top: var(--1px) solid @panel-inner-border;
    }
  }

  .panel-footer {
    border-top: 0;
    + .panel-collapse .panel-body {
      border-bottom: var(--1px) solid @panel-inner-border;
    }
  }
}

.panel-default {
  .panel-variant(@panel-default-border; @panel-default-text; @panel-default-border);
}
.panel-primary {
  .panel-variant(@panel-primary-border; @panel-primary-text; @panel-primary-border);
}
.panel-success {
  .panel-variant(@panel-success-border; @panel-success-text; @panel-success-border);
}
.panel-info {
  .panel-variant(@panel-info-border; @panel-info-text; @panel-info-border);
}
.panel-warning {
  .panel-variant(@panel-warning-border; @panel-warning-text; @panel-warning-border);
}
.panel-danger {
  .panel-variant(@panel-danger-border; @panel-danger-text; @panel-danger-border);
}