    .#{$prefix}form-invalid-under {
        padding: top($form-error-under-padding) right($form-error-under-padding) bottom($form-error-under-padding) (left($form-error-under-padding) + $form-error-icon-width + $form-error-under-icon-spacing);

        color: $form-error-msg-color;
        font: $form-error-msg-font;
        line-height: $form-error-msg-line-height;

        background: no-repeat left($form-error-under-padding) top($form-error-under-padding);
        background-image: theme-background-image($form-exclamation-icon);
    }

    // When the label is on top, the right icon cell is taller, so the icon image needs bumping down
    // add element name to increase specificity to be greater than .x-form-invalid-under
    div.#{$prefix}lbl-top-err-icon {
        margin-bottom: round(($form-field-height - $form-error-icon-height) / 2);
    }

    .#{$prefix}form-invalid-icon {
        width: $form-error-icon-width;
        height: $form-error-icon-height;
        margin: $form-error-icon-side-margin;
        background-image: theme-background-image($form-exclamation-icon);
        background-repeat: no-repeat;
    }

    .#{$prefix}form-item-label {
        color: $form-label-font-color;
        font: $form-label-font;
        margin-top: round(($form-field-height - $form-label-line-height) / 2);
        @if $include-ext-toolbar-toolbar {
            .#{$prefix}toolbar-item & {
                @if $form-label-font != $form-toolbar-label-font {
                    font: $form-toolbar-label-font;
                }
                @if ($form-field-height != $form-toolbar-field-height) or ($form-label-line-height != $form-toolbar-label-line-height) {
                    margin-top: round(($form-toolbar-field-height - $form-toolbar-label-line-height) / 2);
                }
            }
        }
    }

    .#{$prefix}autocontainer-form-item,
    .#{$prefix}anchor-form-item,
    .#{$prefix}vbox-form-item,
    .#{$prefix}table-form-item {
        margin-bottom: $form-item-margin-bottom;
    }

    // IE6 cannot do border-color: transparent
    // So we revert pack to a pad row for IE6
    .#{$prefix}ie6 {
        .#{$prefix}form-form-item {
            td {
                border-top-width: 0;
            }
        }

        // Padding row for IE6 when Labelable Fields are in a form layout
        td.#{$prefix}form-item-pad {
            height: $form-item-margin-bottom;
        }
    }