.wpforms-field-entry-repeater_end table {
    border: 1px solid #e2e2e2;
}
.wpforms-field-entry-repeater_end br{
    display: none;
}
.wpforms-panel-content .wpforms-preview .wpforms-field-repeater_start,
.wpforms-panel-content .wpforms-preview .wpforms-field-repeater_end {
	border: 1px dashed #cccccc;
	display: block;
	left: 0;
	top: 50%;
	width: 100%;
    background-color: #f8f8f8;
}