.child{margin-left: -1rem;margin-right: -1rem;margin-top: -1rem;} 演示地址:https://codepen.io/shadeed/pen/XWmbORV/dc3e136995772723a868fe440ff7a6aa?editors=0100 如果您有兴趣深入挖掘负边距,我推荐 Peter-Paul Koch 的这篇文章:https://www.quirksmode.org/blog...
.parent{padding:1rem;}.child{margin-left:-1rem;margin-right:-1rem;margin-top:-1rem;} 演示地址:https://codepen.io/shadeed/pen/XWmbORV/dc3e136995772723a868fe440ff7a6aa?editors=0100 如果您有兴趣深入挖掘负边距,我推荐 Peter-Paul Koch 的这篇文章:https://www.quirksmode.org/blog/archives/20...
To center an image, set left and right margin toautoand make it into ablockelement: Example img{ display:block; margin-left:auto; margin-right:auto; width:40%; } Try it Yourself » Left and Right Align - Using position One method for aligning elements is to useposition: absolute;: ...
<!DOCTYPE html> <html> <head> <title>Center Alignment using CSS Margin</title> <style> #yinyangSymbol { width: 100px; height: 50px; background: #fff; border-color: #000; border-style: solid; border-width: 2px 2px 50px 2px; border-radius: 100%; position: relative; } #yinyang...
<b> is meant to highlight words or phrases without conveying additional importance while <i> is mostly for voice, technical terms, etc. Alignment classes Easily realign text to components with text alignment classes. Left aligned text. Center aligned text. Right aligned text. Justified text. No...
Center the alignments for all the items of the flexible <div> element: div{ display:flex; align-items:center; } Try it Yourself » More "Try it Yourself" examples below. Definition and Usage Thealign-itemsproperty specifies the default alignment for items inside a flexbox or grid container...
通过本章将学习如下文本属性,您可以改变文本的颜色、文本及其他元素宽高尺寸、文本方向、对齐文本、文本进行缩进、字符间距、文本装饰以及文本大小和字体等。 文本样式相关属性: 代码语言:javascript 复制 # 文本颜色color:设置文本颜色 # 元素尺寸height:元素高度 ...
一、盒子模型(Box Model) 盒子模型也有人称为框模型,HTML中的多数元素都会在浏览器中生成一个矩形的区域,每个区域包含四个组成部分,从外向内依次是:外边距(Margin)、边框(Border)、内边距(Padding)和内容(Content),其实盒子模型有两种,分别是 ie 盒子模型和
{text-align:center;} .tr{text-align:right;} .tl{text-align:left;} .auto{ margin-left:auto; margin-right:auto; } .auto0{margin:0 auto;} .vm{vertical-align:middle;} .vtb{vertical-align:text-bottom;} .vt{vertical-align:top;} .vn{vertical-align:-4px;} .vimg{margin-bottom:-3px;...
Text Alignment:text-left,text-center,text-right. Margin:m-{margin},ml-{leftMargin},mr-{rightMargin},mt-{topMargin},mb-{bottomMargin},mx-{horizontalMargin},my-{verticalMargin}. Padding:p-{padding},pl-{leftPadding},pr-{rightPadding},pt-{topPadding},pb-{bottomPadding},px-{horizontalPadding...