Die W3C-Organisation gibt Stilvorschläge für die Erstellung von HTML4_HTML/Xhtml_Webseiten

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Freigeben: 2016-05-16 16:42:22
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Dies ist der HTML4-Stilvorschlag der W3C-Organisation. Leider haben Browser ihre eigenen privaten Attribute hinzugefügt, sodass der Standard im Dunkeln bleibt. Aber es ist für uns immer noch von großer Referenzbedeutung. Anhang D. Standard-Stylesheet für HTML 4Dieser Anhang ist informativ, nicht normativ.

Dieses Stylesheet beschreibt die typische Formatierung aller auf HTML 4 ([HTML4]) basierenden Elemente Umfangreiche Recherche zur aktuellen UA-Praxis wird empfohlen, es als Standard-Stylesheet in ihren Implementierungen zu verwenden.

Die vollständige Darstellung einiger HTML-Elemente kann in CSS 2.1 nicht ausgedrückt werden, einschließlich ersetzter Elemente („img“, „Objekt“), Skriptelemente („Skript“, „Applet“), Formularsteuerelemente und Rahmenelemente.

Für andere Elemente kann die Legacy-Präsentation in CSS beschrieben werden, aber die Lösung entfernt das Element. Beispielsweise kann das FONT-Element durch Anhängen von CSS-Deklarationen an andere Elemente (z. B. DIV) ersetzt werden. Ebenso kann die veraltete Darstellung von Präsentationsattributen (z. B. das „border“-Attribut in TABLE) in CSS beschrieben werden, das Markup jedoch in Das Quelldokument muss geändert werden



<code class="css">html, address, <br>blockquote, <br>body, dd, div, <br>dl, dt, fieldset, form, <br>frame, frameset, <br>h1, h2, h3, h4, <br>h5, h6, noframes, <br>ol, p, ul, <span class="value"><font color="#0000ff">center</font></span>, <br>dir, hr, menu, <span class="value"><font color="#0000ff">pre</font></span>   { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">block</font></span> } <br>li              { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">list-item</font></span> } <br>head            { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">none</font></span> } <br>table           { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: table } <br>tr              { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">table-row</font></span> } <br>thead           { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">table-header-group</font></span> } <br>tbody           { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">table-row-group</font></span> } <br>tfoot           { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">table-footer-group</font></span> } <br>col             { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">table-column</font></span> } <br>colgroup        { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">table-column-group</font></span> } <br>td, th          { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">table-cell</font></span> } <br><span class="value"><font color="#0000ff">caption</font></span>         { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">table-caption</font></span> } <br>th              { <span class="attrib"><strong><font color="#000080">font-weight</font></strong></span>: <span class="value"><font color="#0000ff">bolder</font></span>; <span class="attrib"><strong><font color="#000080">text-align</font></strong></span>: <span class="value"><font color="#0000ff">center</font></span> } <br><span class="value"><font color="#0000ff">caption</font></span>         { <span class="attrib"><strong><font color="#000080">text-align</font></strong></span>: <span class="value"><font color="#0000ff">center</font></span> } <br>body            { <span class="attrib"><strong><font color="#000080">margin</font></strong></span>: <span class="number"><font color="#ff0000">8px</font></span> } <br>h1              { <span class="attrib"><strong><font color="#000080">font-size</font></strong></span>: <span class="number"><font color="#ff0000">2em</font></span>; <span class="attrib"><strong><font color="#000080">margin</font></strong></span>: .<span class="number"><font color="#ff0000">67em</font></span> <span class="number"><font color="#ff0000">0</font></span> } <br>h2              { <span class="attrib"><strong><font color="#000080">font-size</font></strong></span>: <span class="number"><font color="#ff0000">1.5em</font></span>; <span class="attrib"><strong><font color="#000080">margin</font></strong></span>: .<span class="number"><font color="#ff0000">75em</font></span> <span class="number"><font color="#ff0000">0</font></span> } <br>h3              { <span class="attrib"><strong><font color="#000080">font-size</font></strong></span>: <span class="number"><font color="#ff0000">1.17em</font></span>; <span class="attrib"><strong><font color="#000080">margin</font></strong></span>: .<span class="number"><font color="#ff0000">83em</font></span> <span class="number"><font color="#ff0000">0</font></span> } <br>h4, p, <br>blockquote, ul, <br>fieldset, form, <br>ol, dl, dir, <br>menu            { <span class="attrib"><strong><font color="#000080">margin</font></strong></span>: <span class="number"><font color="#ff0000">1.12em</font></span> <span class="number"><font color="#ff0000">0</font></span> } <br>h5              { <span class="attrib"><strong><font color="#000080">font-size</font></strong></span>: .<span class="number"><font color="#ff0000">83em</font></span>; <span class="attrib"><strong><font color="#000080">margin</font></strong></span>: <span class="number"><font color="#ff0000">1.5em</font></span> <span class="number"><font color="#ff0000">0</font></span> } <br>h6              { <span class="attrib"><strong><font color="#000080">font-size</font></strong></span>: .<span class="number"><font color="#ff0000">75em</font></span>; <span class="attrib"><strong><font color="#000080">margin</font></strong></span>: <span class="number"><font color="#ff0000">1.67em</font></span> <span class="number"><font color="#ff0000">0</font></span> } <br>h1, h2, h3, h4, <br>h5, h6, b, <br>strong          { <span class="attrib"><strong><font color="#000080">font-weight</font></strong></span>: <span class="value"><font color="#0000ff">bolder</font></span> } <br>blockquote      { <span class="attrib"><strong><font color="#000080">margin-left</font></strong></span>: <span class="number"><font color="#ff0000">40px</font></span>; <span class="attrib"><strong><font color="#000080">margin-right</font></strong></span>: <span class="number"><font color="#ff0000">40px</font></span> } <br>i, cite, em, <br>var, address    { <span class="attrib"><strong><font color="#000080">font-style</font></strong></span>: <span class="value"><font color="#0000ff">italic</font></span> } <br><span class="value"><font color="#0000ff">pre</font></span>, tt, <span class="value"><font color="#0000ff">code</font></span>, <br>kbd, samp       { <span class="attrib"><strong><font color="#000080">font-family</font></strong></span>: monospace } <br><span class="value"><font color="#0000ff">pre</font></span>             { <span class="attrib"><strong><font color="#000080">white-space</font></strong></span>: <span class="value"><font color="#0000ff">pre</font></span> } <br>button, textarea, <br>input, select   { <span class="attrib"><strong><font color="#000080">display</font></strong></span>: <span class="value"><font color="#0000ff">inline</font></span>-<span class="value"><font color="#0000ff">block</font></span> } <br>big             { <span class="attrib"><strong><font color="#000080">font-size</font></strong></span>: <span class="number"><font color="#ff0000">1.17em</font></span> } <br><span class="value"><font color="#0000ff">small</font></span>, <span class="value"><font color="#0000ff">sub</font></span>, sup { <span class="attrib"><strong><font color="#000080">font-size</font></strong></span>: .<span class="number"><font color="#ff0000">83em</font></span> } <br><span class="value"><font color="#0000ff">sub</font></span>             { <span class="attrib"><strong><font color="#000080">vertical-align</font></strong></span>: <span class="value"><font color="#0000ff">sub</font></span> } <br>sup             { <span class="attrib"><strong><font color="#000080">vertical-align</font></strong></span>: <span class="value"><font color="#0000ff">super</font></span> } <br>table           { <span class="attrib"><strong><font color="#000080">border-spacing</font></strong></span>: <span class="number"><font color="#ff0000">2px</font></span>; } <br>thead, tbody, <br>tfoot           { <span class="attrib"><strong><font color="#000080">vertical-align</font></strong></span>: <span class="value"><font color="#0000ff">middle</font></span> } <br>td, th, tr      { <span class="attrib"><strong><font color="#000080">vertical-align</font></strong></span>: inherit } <br>s, strike, del  { <span class="attrib"><strong><font color="#000080">text-decoration</font></strong></span>: <span class="value"><font color="#0000ff">line-through</font></span> } <br>hr              { <span class="attrib"><strong><font color="#000080">border</font></strong></span>: <span class="number"><font color="#ff0000">1px</font></span> <span class="value"><font color="#0000ff">inset</font></span> } <br>ol, ul, dir, <br>menu, dd        { <span class="attrib"><strong><font color="#000080">margin-left</font></strong></span>: <span class="number"><font color="#ff0000">40px</font></span> } <br>ol              { <span class="attrib"><strong><font color="#000080">list-style-type</font></strong></span>: <span class="value"><font color="#0000ff">decimal</font></span> } <br>ol ul, ul ol, <br>ul ul, ol ol    { <span class="attrib"><strong><font color="#000080">margin-top</font></strong></span>: <span class="number"><font color="#ff0000">0</font></span>; <span class="attrib"><strong><font color="#000080">margin-bottom</font></strong></span>: <span class="number"><font color="#ff0000">0</font></span> } <br>u, ins          { <span class="attrib"><strong><font color="#000080">text-decoration</font></strong></span>: <span class="value"><font color="#0000ff">underline</font></span> } <br>br:before       { <span class="attrib"><strong><font color="#000080">content</font></strong></span>: <span class="string"><font color="#008080">"\A"</font></span>; <span class="attrib"><strong><font color="#000080">white-space</font></strong></span>: <span class="value"><font color="#0000ff">pre</font></span>-line } <br><span class="value"><font color="#0000ff">center</font></span>          { <span class="attrib"><strong><font color="#000080">text-align</font></strong></span>: <span class="value"><font color="#0000ff">center</font></span> } <br>:link, :visited { <span class="attrib"><strong><font color="#000080">text-decoration</font></strong></span>: <span class="value"><font color="#0000ff">underline</font></span> } <br>:focus          { <span class="attrib"><strong><font color="#000080">outline</font></strong></span>: <span class="value"><font color="#0000ff">thin</font></span> <span class="value"><font color="#0000ff">dotted</font></span> <span class="value"><font color="#0000ff">invert</font></span> } <br> <br><span class="mlcom"><font color="#4040c2">/* Begin bidirectionality settings (do not change) */</font></span> <br>BDO[DIR=<span class="string"><font color="#008080">"ltr"</font></span>]  { <span class="attrib"><strong><font color="#000080">direction</font></strong></span>: <span class="value"><font color="#0000ff">ltr</font></span>; <span class="attrib"><strong><font color="#000080">unicode-bidi</font></strong></span>: <span class="value"><font color="#0000ff">bidi-override</font></span> } <br>BDO[DIR=<span class="string"><font color="#008080">"rtl"</font></span>]  { <span class="attrib"><strong><font color="#000080">direction</font></strong></span>: <span class="value"><font color="#0000ff">rtl</font></span>; <span class="attrib"><strong><font color="#000080">unicode-bidi</font></strong></span>: <span class="value"><font color="#0000ff">bidi-override</font></span> } <br> <br>*[DIR=<span class="string"><font color="#008080">"ltr"</font></span>]    { <span class="attrib"><strong><font color="#000080">direction</font></strong></span>: <span class="value"><font color="#0000ff">ltr</font></span>; <span class="attrib"><strong><font color="#000080">unicode-bidi</font></strong></span>: <span class="value"><font color="#0000ff">embed</font></span> } <br>*[DIR=<span class="string"><font color="#008080">"rtl"</font></span>]    { <span class="attrib"><strong><font color="#000080">direction</font></strong></span>: <span class="value"><font color="#0000ff">rtl</font></span>; <span class="attrib"><strong><font color="#000080">unicode-bidi</font></strong></span>: <span class="value"><font color="#0000ff">embed</font></span> } <br> <br>@media <span class="value"><font color="#0000ff">print</font></span> { <br>  h1            { <span class="attrib"><strong><font color="#000080">page-break-before</font></strong></span>: <span class="value"><font color="#0000ff">always</font></span> } <br>  h1, h2, h3, <br>  h4, h5, h6    { <span class="attrib"><strong><font color="#000080">page-break-after</font></strong></span>: <span class="value"><font color="#0000ff">avoid</font></span> } <br>  ul, ol, dl    { <span class="attrib"><strong><font color="#000080">page-break-before</font></strong></span>: <span class="value"><font color="#0000ff">avoid</font></span> } <br>}</code>
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Anhang D. Standard-Stylesheet für HTML 4
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