ant-design-vue/components/vc-overflow/assets/index.less

@overflow-prefix-cls: rc-overflow;

.@{overflow-prefix-cls} {
  display: flex;
  flex-wrap: wrap;
  max-width: 100%;
  position: relative;

  &-item {
    background: rgba(0, 255, 0, 0.2);
    box-shadow: 0 0 1px black;
    flex: none;
    max-width: 100%;
  }
}