@prefix: append-placeholder;

.@{prefix} {
  &- {
    &root {
      position: relative;
      min-height: 300px;
      flex: 1;
    }

    &dragging {
      &:hover {
        &:before {
          position: absolute;
          content: '';
          pointer-events: none;
          background-color: rgba(17, 153, 255, 0.8);
          height: 4px;
          width: 100%;
          left: 0;
          top: -2px;
          opacity: 1;
          z-index: 2;
        }
      }
    }
  }
}