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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/css/_colon_left/index.html | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/css/_colon_left/index.html b/files/zh-cn/web/css/_colon_left/index.html new file mode 100644 index 0000000000..12f951a000 --- /dev/null +++ b/files/zh-cn/web/css/_colon_left/index.html @@ -0,0 +1,75 @@ +--- +title: ':left' +slug: 'Web/CSS/:left' +tags: + - '@page' + - CSS + - Pseudo-class +translation_of: 'Web/CSS/:left' +--- +<div>{{ CSSRef() }}</div> + +<p><strong><code>:left</code></strong> <a href="/en-US/docs/Web/CSS">CSS</a> <a href="/zh-CN/docs/Web/CSS/Pseudo-classes">伪类</a>, 需要和<a href="/zh-CN/docs/Web/CSS/At-rule">@规则</a> {{cssxref("@page")}} 配套使用, 对打印文档的左侧页设置CSS样式.</p> + +<pre class="brush: css no-line-numbers">/* 设置打印时的左侧文档样式 */ +@page :left { + margin: 2in 3in; +}</pre> + +<p>打印文档的"左"或"右"是由书写方向相关的. 举个栗子, "从左到右"的书写方向中第一页应当使用 {{Cssxref(":right")}} 配置; "从右至左"的书写方向中第一页应当使用 <code>:left</code> 配置.</p> + +<div class="note"> +<p><strong>Note:</strong> 并不是所有样式属性都能应用在此选择器内. 仅仅 {{ Cssxref("margin") }}, {{ Cssxref("padding") }}, {{ Cssxref("border") }}, 和 {{ Cssxref("background") }} 等打印时需要的属性可以使用. 其他属性将直接忽略, 并且可以使用的属性也只会在打印时生效, 显示时不会生效.</p> +</div> + +<h2 id="参数">参数</h2> + +<pre class="syntaxbox">{{csssyntax}}</pre> + +<h2 id="样例">样例</h2> + +<pre class="brush: css">@page :left { + margin: 2in 3in; +} +</pre> + +<h2 id="规范">规范</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{ SpecName('CSS3 Paged Media', '#left-right-first', ':left') }}</td> + <td>{{ Spec2('CSS3 Paged Media') }}</td> + <td>No change.</td> + </tr> + <tr> + <td>{{ SpecName('CSS2.1', 'page.html#page-selectors', ':left') }}</td> + <td>{{ Spec2('CSS2.1') }}</td> + <td>Initial definition.</td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</h2> + +<p> </p> + + + +<p>{{Compat("css.selectors.left")}}</p> + +<p> </p> + +<h2 id="参考">参考</h2> + +<ul> + <li>{{ Cssxref("@page") }}</li> + <li>Other page-related pseudo-classes: {{ Cssxref(":first") }}, {{ Cssxref(":right") }}</li> +</ul> |