The last three styling rules shown here align and style the text and provide new background images for the embedded items that represent the drop-down lists.
这里的最后三个样式规则对齐文本并应用样式，还为代表下拉列表的嵌入元素提供新的背景图像。
The last three styling rules shown here align and style the text and provide new background images for the embedded items that represent the drop-down lists.
这里的最后三个样式规则对齐文本并应用样式，还为代表下拉列表的嵌入元素提供新的背景图像。
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