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即使我不指定边框,高对比度模式如何显示边框?
颜色对比模式摆脱了许多细微的颜色差异,并试图使“前景”从背景中脱颖而出。文本和表单字段被视为前景,无论它们的颜色和视觉设置如何。在这些周围放置边框可确保用户能够识别它们。