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题目:Set a linear gradient background for the <div> element, going from the top to bottom, transitioning from "rgba(0,255,0,0.2)" to "rgba(0,255,0,1)". 提示:RGBA is RGB color values with an alpha channel (which specifies the opacity). |
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修改以下代码:
效果预览:
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答案:
效果预览:
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