18-1.html
来自「js 全的样例代码,比较适合大家学习和交流」· HTML 代码 · 共 50 行
HTML
50 行
<head><style type="text/css">/* Specify that headings display in blue italic text. */h1, h2 { color: blue; font-style: italic }/* * Any element of class="WARNING" displays in big bold text with large margins * and a yellow background with a fat red border. */.WARNING { font-weight: bold; font-size: 150%; margin: 0 1in 0 1in; /* top right bottom left */ background-color: yellow; border: solid red 8px; padding: 10px; /* 10 pixels on all 4 sides */}/* * Text within an h1 or h2 heading within an element with class="WARNING" * should be centered, in addition to appearing in blue italics. */.WARNING h1, .WARNING h2 { text-align: center }/* The single element with id="P23" displays in centered uppercase. */#P23 { text-align: center; text-transform: uppercase;}</style></head><body><h1>Cascading Style Sheets Demo</h1><div class="WARNING"><h2>Warning</h2>This is a warning!Notice how it grabs your attention with its bold text and bright colors.Also notice that the heading is centered and in blue italics.</div><p id="P23">This paragraph is centered<br>and appears in uppercase letters.<br><span style="text-transform: none">Here we explicitly use an inline style to override the uppercase letters.</span></p></body>⌨️ 快捷键说明
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