diff options
Diffstat (limited to 'files/zh-tw/web/css/width/index.html')
| -rw-r--r-- | files/zh-tw/web/css/width/index.html | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/files/zh-tw/web/css/width/index.html b/files/zh-tw/web/css/width/index.html new file mode 100644 index 0000000000..9459dd32e9 --- /dev/null +++ b/files/zh-tw/web/css/width/index.html @@ -0,0 +1,294 @@ +--- +title: width +slug: Web/CSS/width +translation_of: Web/CSS/width +--- +<div>{{CSSRef}}</div> + +<p>The <strong><code>width</code></strong> CSS property specifies the width of an element. By default, the property defines the width of the <a href="/en-US/docs/Web/CSS/CSS_Box_Model/Introduction_to_the_CSS_box_model#content-area">content area</a>. If {{cssxref("box-sizing")}} is set to <code>border-box</code>, however, it instead determines the width of the <a href="/en-US/docs/Web/CSS/CSS_Box_Model/Introduction_to_the_CSS_box_model#border-area">border area</a>.</p> + +<pre class="brush:css no-line-numbers">/* <length> values */ +width: 300px; +width: 25em; + +/* <percentage> value */ +width: 75%; + +/* Keyword values */ +width: 25em border-box; +width: 75% content-box; +width: max-content; +width: min-content; +width: available; +width: fit-content; +width: auto; + +/* Global values */ +width: inherit; +width: initial; +width: unset; +</pre> + +<div class="hidden" id="width"> +<pre class="brush: html"><div class="grid"> + <div class="col"> + <div class="cell"> + &lt;length&gt; values + <p class="w1">width: 150px</p> + <p class="w2">width: 20em</p> + <p class="w3 warning" title="this feature is experimental and might not work in your browser">width: 20em content-box</p> + <p class="w4 warning" title="this feature is experimental and might not work in your browser">width: 20em border-box</p> + </div> + <div class="cell"> + &lt;percentage&gt; values + <p class="w5">width: 75%</p> + <p class="w6 warning" title="this feature is experimental and might not work in your browser">width: 75% content-box</p> + <p class="w7 warning" title="this feature is experimental and might not work in your browser">width: 75% border-box</p> + </div> + <div class="cell"> + Keyword values + <p>width: auto</p> + <p class="w8 warning" title="this feature is experimental and might not work in your browser">width: max-content</p> + <p class="w9 warning" title="this feature is experimental and might not work in your browser">width: min-content</p> + <p class="w10 warning" title="this feature is experimental and might not work in your browser">width: available</p> + <p class="w11 warning" title="this feature is experimental and might not work in your browser">width: fit-content</p> + </div> + </div> +</div></pre> + +<p>sd</p> + +<pre class="brush: css">html,body { + height: 100%; + box-sizing: border-box; +} + +.grid { + width: 100%; + height: 100%; + display: flex; + background: #EEE; + font: 1em monospace; +} + +.col { + display: flex; + flex: 1 auto; + flex-direction: column; +} + +.cell { + margin: .5em; + padding: .5em; + background-color: #FFF; + overflow: hidden; + text-align: left; + font-style: italic; +} + +p { + font-size: 1rem; + font-style: normal; + background: #E4F0F5; + padding: .5em; + margin: .5em; +} + +.warning { + background: #E4E4E4; +} + +.warning:before { + content: "⚠️ "; +} + +/* values */ +.w1 { width: 150px; } +.w2 { width: 20em; } +.w3 { width: 20em content-box; } +.w4 { width: 20em border-box; } + +/* value */ +.w5 { width: 75%; } +.w6 { width: 75% content-box; } +.w7 { width: 75% border-box; } + +/* Keyword values (mostly experimental) */ +.w8 { width: max-content; } +.w9 { width: min-content; } +.w10 { width: available; } +.w11 { width: fit-content; }</pre> +</div> + +<div>{{EmbedLiveSample("width", "100%", 660, "", "", "example-outcome-frame")}}</div> + +<div class="note"> +<p><strong>注意：</strong> {{cssxref("min-width")}} 和 {{cssxref("max-width")}} 會覆寫 {{cssxref("width")}}.</p> +</div> + +<div>{{cssinfo}}</div> + +<h2 id="Syntax">Syntax</h2> + +<p>The <code>width</code> property is specified as either:</p> + +<ul> + <li>one of the following keyword values: <code><a href="#available">available</a></code>, <code><a href="#min-content">min-content</a></code>, <code><a href="#max-content">max-content</a></code>, <code><a href="#fit-content">fit-content</a></code>, <code><a href="#auto">auto</a></code>.</li> + <li>a <code><a href="#<length>"><length></a></code> or a <code><a href="#<percentage>"><percentage></a></code>. This may optionally be followed by one of the following keywords: <code><a href="#border-box">border-box</a></code>, <code><a href="#content-box">content-box</a></code>.</li> +</ul> + +<h3 id="Values">Values</h3> + +<dl> + <dt><a id="<length>" name="<length>">{{cssxref("<length>")}}</a></dt> + <dd>Defines the width as an absolute value.</dd> + <dt><a id="<percentage>" name="<percentage>">{{cssxref("<percentage>")}}</a></dt> + <dd>Defines the width as a percentage of the containing block's width. If the width of the containing block depends on the width of the element, the resulting layout is undefined.</dd> + <dt><code><a id="border-box" name="border-box">border-box</a> </code>{{experimental_inline}}</dt> + <dd>If present, the preceding {{cssxref("<length>")}} or {{cssxref("<percentage>")}} is applied to the element's border box.</dd> + <dt><a id="content-box" name="content-box"><code>content-box</code></a> {{experimental_inline}}</dt> + <dd>If present, the preceding {{cssxref("<length>")}} or {{cssxref("<percentage>")}} is applied to the element's content box.</dd> + <dt><a id="auto" name="auto"><code>auto</code></a></dt> + <dd>The browser will calculate and select a width for the specified element.</dd> + <dt><a id="fill" name="fill"><code>fill</code></a> {{experimental_inline}}</dt> + <dd>Use the <code>fill-available</code> inline size or <code>fill-available</code> block size, as appropriate to the writing mode.</dd> + <dt><a id="max-content" name="max-content"><code>max-content</code></a> {{experimental_inline}}</dt> + <dd>The intrinsic preferred width.</dd> + <dt><a id="min-content" name="min-content"><code>min-content</code></a> {{experimental_inline}}</dt> + <dd>The intrinsic minimum width.</dd> + <dt><a id="available" name="available"><code>available</code></a> {{experimental_inline}}</dt> + <dd>The containing block width minus horizontal margin, border and padding.</dd> + <dt id="fit-content"><a id="fit-content" name="fit-content"><code>fit-content</code></a> {{experimental_inline}}</dt> + <dd>The larger of: + <ul> + <li>the intrinsic minimum width</li> + <li>the smaller of the intrinsic preferred width and the available width</li> + </ul> + </dd> +</dl> + +<h3 id="Formal_syntax">Formal syntax</h3> + +<pre class="syntaxbox">{{csssyntax}}</pre> + +<h2 id="範例">範例</h2> + +<h3 id="預設寬度">預設寬度</h3> + +<pre class="brush:css">p.goldie { + background: gold; +}</pre> + +<pre class="brush:html"><p class="goldie">The Mozilla community produces a lot of great software.</p></pre> + +<p>{{EmbedLiveSample('Default_width', '500px', '64px')}}</p> + +<h3 id="像素和相對大小">像素和相對大小</h3> + +<pre class="brush: css">.px_length { + width: 200px; + background-color: red; + color: white; + border: 1px solid black; +} + +.em_length { + width: 20em; + background-color: white; + color: red; + border: 1px solid black; +} +</pre> + +<pre class="brush: html"><div class="px_length">Width measured in px</div> +<div class="em_length">Width measured in em</div></pre> + +<p>{{EmbedLiveSample('Pixels_and_ems', '500px', '64px')}}</p> + +<h3 id="百分比">百分比</h3> + +<pre class="brush: css">.percent { + width: 20%; + background-color: silver; + border: 1px solid red; +}</pre> + +<pre class="brush: html"><div class="percent">Width in percentage</div></pre> + +<p>{{EmbedLiveSample('Percentage', '500px', '64px')}}</p> + +<h3 id="內容最大值">內容最大值</h3> + +<pre class="brush:css;">p.maxgreen { + background: lightgreen; + width: intrinsic; /* Safari/WebKit uses a non-standard name */ + width: -moz-max-content; /* Firefox/Gecko */ + width: -webkit-max-content; /* Chrome */ +}</pre> + +<pre class="brush:html"><p class="maxgreen">The Mozilla community produces a lot of great software.</p></pre> + +<p>{{EmbedLiveSample('max-content_2', '500px', '64px')}}</p> + +<h3 id="內容最小值">內容最小值</h3> + +<pre class="brush:css">p.minblue { + background: lightblue; + width: -moz-min-content; /* Firefox */ + width: -webkit-min-content; /* Chrome */ +}</pre> + +<pre class="brush:html"><p class="minblue">The Mozilla community produces a lot of great software.</p></pre> + +<p>{{EmbedLiveSample('min-content_2', '500px', '155px')}}</p> + +<h2 id="規範">規範</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 Box', '#the-width-and-height-properties', 'width')}}</td> + <td>{{Spec2('CSS3 Box')}}</td> + <td>Added the <code>max-content</code>, <code>min-content</code>, <code>available</code>, <code>fit-content</code>, <code>border-box</code>, <code>content-box</code> keywords.</td> + </tr> + <tr> + <td>{{SpecName('CSS3 Transitions', '#animatable-css', 'width')}}</td> + <td>{{Spec2('CSS3 Transitions')}}</td> + <td>Lists <code>width</code> as animatable.</td> + </tr> + <tr> + <td>{{SpecName('CSS2.1', 'visudet.html#the-width-property', 'width')}}</td> + <td>{{Spec2('CSS2.1')}}</td> + <td>Precises on which element it applies to.</td> + </tr> + <tr> + <td>{{SpecName('CSS1', '#width', 'width')}}</td> + <td>{{Spec2('CSS1')}}</td> + <td>Initial definition.</td> + </tr> + <tr> + <td>{{SpecName('CSS3 Sizing', '#width-height-keywords', 'width')}}</td> + <td>{{Spec2('CSS3 Sizing')}}</td> + <td>Adds new sizing keywords for width and height.</td> + </tr> + </tbody> +</table> + +<h2 id="瀏覽器相容性">瀏覽器相容性</h2> + + + +<p>{{Compat("css.properties.width")}}</p> + +<h2 id="參考">參考</h2> + +<ul> + <li><a href="/en-US/docs/Web/CSS/CSS_Box_Model/Introduction_to_the_CSS_box_model">box model</a>, {{cssxref("height")}}, {{cssxref("box-sizing")}}, {{cssxref("min-width")}}, {{cssxref("max-width")}}</li> +</ul> |