本篇内容介绍了“很实用的CSS的代码片段方法教程”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！
CSS重置
这是CSS浏览器重置的基本和常见的CSS代码段
计算
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html, body, div, span, applet, object, iframe, h2, h3, h4, h5, h6, h7, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video { margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline; outline: none; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } html { height: 101%; } body { font-size: 62.5%; line-height: 1; font-family: Arial, Tahoma, sans-serif; } article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; } ol, ul { list-style: none; } blockquote, q { quotes: none; } blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; } strong { font-weight: bold; } table { border-collapse: collapse; border-spacing: 0; } img { border: 0; max-width: 100%; } p { font-size: 1.2em; line-height: 1.0em; color: #333; }跨浏览器透明度设置
.transparent { -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";/* IE 8 */ filter: alpha(opacity=50); /* IE 5-7 */ -moz-opacity: 0.5;/* Netscape */ -khtml-opacity: 0.5; /* Safari 1.x */ opacity: 0.5; /* Good browsers */ }常规媒体查询
/* Smartphones (portrait and landscape) ----------- */ @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { } /* Smartphones (landscape) ----------- */ @media only screen and (min-width : 321px) { } /* Smartphones (portrait) ----------- */ @media only screen and (max-width : 320px) { } /* iPads (portrait and landscape) ----------- */ @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) { } /* iPads (landscape) ----------- */ @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : landscape) { } /* iPads (portrait) ----------- */ @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : portrait) { } /* Desktops and laptops ----------- */ @media only screen and (min-width : 1224px) { } /* Large screens ----------- */ @media only screen and (min-width : 1824px) { } /* iPhone 4 ----------- */ @media only screen and (-webkit-min-device-pixel-ratio:1.5), only screen and (min-device-pixel-ratio:1.5) { }自定义选中文本
::selection { background: #51a351; } ::-moz-selection { background: #51a351; } ::-webkit-selection { background: #51a351; }带CSS3的全屏背景
html { background: url('images/bg.jpg') no-repeat center center fixed; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover; }强制垂直滚动条
html { height: 101% }文本首字母大写
p:first-letter { display: block; margin: 4px 0 0 4px; float: left; color: #ff3366; font-size: 5.3em; font-family: Georgia, Times New Roman, serif; }内外阴影
#mydiv { -moz-box-shadow: inset 2px 0 4px #000; -webkit-box-shadow: inset 2px 0 4px #000; box-shadow: inset 2px 0 4px #000; }#mydiv { -webkit-box-shadow: 0 2px 2px -2px rgba(0, 0, 0, 0.52); -moz-box-shadow: 0 2px 2px -2px rgba(0, 0, 0, 0.52); box-shadow: 0 2px 2px -2px rgba(0, 0, 0, 0.52); }语音气泡
.speech-bubble { position: relative; background: #00aabb; border-radius: .4em; } .speech-bubble:after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 0; border: 30px solid transparent; border-top-color: #00aabb; border-bottom: 0; border-left: 0; margin-left: -15px; margin-bottom: -30px; }自定义输入样式
input[type=text], textarea { -webkit-transition: all 0.30s ease-in-out; -moz-transition: all 0.30s ease-in-out; -ms-transition: all 0.30s ease-in-out; -o-transition: all 0.30s ease-in-out; outline: none; padding: 3px 0px 3px 3px; margin: 5px 1px 3px 0px; border: 1px solid #ddd; } input[type=text]:focus, textarea:focus { box-shadow: 0 0 5px rgba(81, 203, 238, 1); padding: 3px 0px 3px 3px; margin: 5px 1px 3px 0px; border: 1px solid rgba(81, 203, 238, 1); }“很实用的CSS的代码片段方法教程”的内容就介绍到这里了，感谢大家的阅读。如果想了解更多行业相关的知识可以关注亿速云网站，小编将为大家输出更多高质量的实用文章！
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