comicpress-theme-core/css/cp-admin.css

.cp-children {
  padding-left: 20px
}

.ui-draggable {
	border: solid black 1px;
	background-color: #ddd
}

.cp-category-info span {
	cursor: move;
	color: #004
}

.placeholder {
  border: dashed #ddd 2px
}