DOCTYPEhtml><htmllang="en"><head><metacharset="UTF-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><title>语义化对齐</title><style>/* 不推荐:将样式直接应用到通用的元素 */p{text-align: center; }/* 推荐:使用类名或ID选择器,将样式应用到具体的语义元素 */.center-...
边距设置可让您在与 CSS 兼容的浏览器中将表格居中。然后,内联文本将被放回默认的左对齐,覆盖最初的“text-align: center”以获得旧浏览器的支持。 如何以边距居中 使表格居中的最常见方法之一是将底部和顶部边距设置为 0,并将左右边距设置为 auto。 下面是一个常用的方法: table { margin: 0 auto; } 1. ...
A1: 使用标准的 CSS 属性textalign: center;可以在大多数现代浏览器中实现文本居中,为了提高兼容性,可以添加一些常见的前缀,如webkittextalign: center;和moztextalign: center;,不过,这些前缀在现代浏览器中通常不需要,以下是一个增强兼容性的示例: .centertext { textalign: center; webkittextalign: center; /*...
// Negative margin@mixinmargin-center($width,$height){position:absolute;top:50%;left:50%;width:$width;height:$height;margin-left:-($width/2);margin-top:-($height/2);} 高度宽度未知: // Transform centering// Horizontally and vertically centers a child element within a parent element using ...
Align an image center vertically We have discussed above how to align an image horizontally but there might be cases when you need to center it vertically. To accomplish this we have to take two steps. The wrapping element needs to be displayed as table cell and the vertical-align has to ...
CSS .centered-text { text-align: center; } Copy Result: The entire paragraph of text is horizontally centered within its container. Key Points: text-align: center is the most straightforward way to center most block-level elements. For inline elements, the situation can get more nuanced (whic...
The HTML Center Element (<center>) is ablock-level elementthat can contain paragraphs and other block-level and inline elements. The entire content of this element is centered horizontally within its containing element (typically, the<body>). ...
text-align:center; means that the text is centered horizontally display:table-cell; means that the text is centered vertically vertical-align:middle; Refers to the label element to be presented in the form of a table cell 4. Set cell attributes ...
Finally, we change the code that centers the text horizontally on the screen. Because we used the center alignment for context.textAlign, we no longer need to subtract half the width of the text that we retrieved through context.measureText() like we did previously in Text Arranger 1.0: var...
The <center> HTML element is a block-level element that displays its block-level or inline contents centered horizontally within its containing element. The container is usually, but isn't required to be, <body>.