2.less 文件分布
/*! * Bootstrap v3.3.7 (http://getbootstrap.com) * copyright 2011-2016 Twitter,Inc. * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) */ // Core variables and mixins // 引入变量和mixin函数 @import "variables.less"; //Bootstrap变量 @import "mixins.less"; //引入Bootstrap mixin工具函数 // Reset and dependencies // 重置元素样式和依赖关系 @import "normalize.less"; //重置元素样式,统一浏览器显示 @import "print.less"; //设置打印样式 @import "glyphicons.less"; //icon图标 // Core CSS // CSS全局样式 @import "scaffolding.less"; //重置元素样式,统一/增添Bootstrap样式。（盒模型宽度、字体大小、a鼠标样式、图片、sr-only和button） @import "type.less"; //排版 @import "code.less"; //代码 @import "grid.less"; //定义栅格系统样式 (.container,.row和各.col-*-*) @import "tables.less"; //表格 @import "forms.less"; //表单 @import "buttons.less"; //定义按钮基本样式 // Components // 组件 @import "component-animations.less"; @import "dropdowns.less"; //下拉按钮 @import "button-groups.less"; //按钮组 @import "input-groups.less"; //表单元素样式 @import "navs.less"; //导航样式 @import "navbar.less"; //导航条样式 @import "breadcrumbs.less"; //眉毛链接 @import "pagination.less"; //分页导航 @import "pager.less"; //翻页 (上一页、下一页 .pager,.next,.prevIoUs,.disabled) @import "labels.less"; //标签 @import "badges.less"; //徽章 @import "jumbotron.less"; //巨幕 @import "thumbnails.less"; //缩略图 @import "alerts.less"; //警告框 @import "progress-bars.less"; //进度条 @import "media.less"; //媒体对象 @import "list-group.less"; //列表组 @import "panels.less"; //面板 @import "responsive-embed.less"; //具有响应式特性的嵌入内容 @import "wells.less"; //把 Well 用在元素上，就能有嵌入（inset）的简单效果。 @import "close.less"; // Components w/ JavaScript // JS插件 @import "modals.less"; //对话框样式 @import "tooltip.less"; //工具提示 @import "popovers.less"; //弹出框 @import "carousel.less"; //轮播 // Utility classes // 实用工具类 @import "utilities.less"; //设置浮动,显示/隐藏,固定定位 @import "responsive-utilities.less"; //设置栅格系统中各列显示/隐藏,打印样式(col-*-*)
3.相关链接
4. 扩展：常用 less 代码
4.1 文件导入前缀
@import (reference) "main.less"; //引用LESS文件，但是不输出，不会编译出来
@import (inline) "main.less"; //引用LESS文件，但是不进行操作
@import (once) "main.less"; //引用LESS文件，但是不进行操作
@import (less) "index.css"; //无论是什么格式的文件，都把他作为LESS文件操作
@import (css) "main.less"; //无论是什么格式的文件，都把他作为CSS文件操作
4.2 动画
.transition(@property:all,@duration:1s,@timing-function:linear,@delay:0s){ //transition:@property @duration @timing-function @delay; transition:@arguments; -webkit-transition:@arguments; -moz-transition:@arguments; -ms-transition:@arguments; -o-transition:@arguments; } .wrap{ .transition(@duration:2s); &:hover{ width:200px; } }
4.3 普通盒子 宽 高 背景色
/*------不加括号即是普通样式类，也是封装的一个函数，编译的时候，也会跟着编译加;括号仅仅是封装的函数，编译的时候不是编译函数-------*/ .pub(){ //-->不加括号会被编译出来，加了不会被编译出来 width: 100px; height: 100px; background: green; } .Box2{ .pub(); //--->也可以 .pub; background: red; }
4.4 1px 边框
.border-1px(@color:#e5e5e5){ position: relative; &:after{ display: block; position: absolute; left: 0; bottom: 0; width: 100%; border-top:1px solid @color; content: ‘‘; } } .Box2{ width:100px; height:100px; .border-1px; }
4.5 作为URL的变量
//作为URL的变量 @imgurl:"https://www.baidu.com/img/"; //引用 .Box2{ width:100px; height:100px; background: url("@{imgurl}bdlogo.png"); }
4.6 //字体设置
@font_size: 14px; //默认字体大小 .font_s(@fs:@font_size){ font-size: @fs; } @font_family: "microsoft yahei"; //默认字体颜色 .font_style(@fc: #333,@fs: @font_size,@ff: @font_family) { color: @fc; font-size: @fs; font-family: @ff; }
4.7 三角形
//三角样式---① .triangle-less(top,@w:50px,@c:#ccc) { border-color: transparent transparent @c transparent; } .triangle-less(bottom,@c:#ccc) { border-color: @c transparent transparent transparent; } .triangle-less(left,@c:#ccc) { border-color: transparent @c transparent transparent; } .triangle-less(right,@c:#ccc) { border-color: transparent transparent transparent @c; } //@_ 匹配所有 .triangle-less(@_,@c:#ccc) {//传参保存一致，所以@w:50px和@c:#ccc也必须写上 width: 0; height: 0; border-width: @w; border-style: solid; } //引用 .Box{ .triangle-less(top,100px,green); }
4.8 渐变
//渐变 .jh2(@color1,@color2,@dd:180deg){ background: -webkit-linear-gradient(@dd,@color1,@color2); background: -moz-linear-gradient(@dd,@color2); background: -ms-linear-gradient(@dd,@color2); background: -o-linear-gradient(@dd,@color2); background: linear-gradient(@dd,@color2); } .Box2{ width:100px; height:100px; .jh2(red,pink); }
4.9 圆角
//圆角 .border_radius(@radius:5px){ -wekit-border-radius: @radius; -max-border-radius: @radius; border-radius: @radius; } .Box2{ .border; .border_radius; width:200px; height:200px; }
4.10 溢出截断-
.subText() {
text-overflow: ellipsis;
white-space: Nowrap;
overflow: hidden;
}
4.11 flex 垂直居中
.flex(){ display: -webkit-Box; display: -moz-Box; display:-webkit-flex; display: -ms-flexBox; display:flex; } .flex-auto{ .flex(); -webkit-justify-content: center; -moz-justify-content: center; -ms-justify-content: center; justify-content: center; -webkit-align-items: center; -moz-align-items: center; -ms-align-items: center; align-items: center; }
4.12 1px
/*1像素*/ .borderLine(@color:#dcdcdc,@top:auto,@right:auto,@bottom:0,@left:0){ position: relative; &::after{ content: ‘‘; position: absolute; left: @left; bottom: @bottom; right: @right; top: @top; height: 1px; width: 100%; background-color: @color; display: block; z-index: 15; -webkit-transform-origin: 50% 100%; transform-origin: 50% 100%; } } .border-b{ .borderLine(@color:#dcdcdd,@left:0) } @media only screen and (-webkit-min-device-pixel-ratio: 2) { .border-b:after { -webkit-transform: scaleY(0.5); transform: scaleY(0.5); } } @media only screen and (-webkit-min-device-pixel-ratio: 3) { .border-b::after { -webkit-transform: scaleY(0.33); transform: scaleY(0.33); } }
5.其他扩展
5.1 其他常用组件 less
/** * 作品：mixin.less * 更新：2017年12月14日 * 简介：1. 一个基于 Less 的样式工具库，封装了常用 mixin，帮助您更轻松地书写 Less 代码。 * 2. 只在调用时才输出代码，减少代码冗余，避免样式污染 * 3. 不自带兼容前缀，减少代码量，而建议采用工具生成，如 postcss、Autoprefixer、less-plugin-autoprefix 等 * 4. 附带 IE 各类 Hack */ /*------------------------------------- ├ 布局 ┆ └------------------------------------*/ // 盒子宽高 .size(@w,@h) { width: @w; height: @h; } // 最小尺寸,兼容IE6 .min-width(@min-w) { min-width: @min-w; _width: @min-w; } .min-height(@min-h) { min-height: @min-h; _height: @min-h; } // 内联块级元素,兼容IE6 .dib() { display: inline-block; *display: inline; *zoom: 1; } // 固定定位,兼容IE6 .fixed() { position: fixed; _position: absolute; *zoom: 1; } // 统一盒模型 .border-Box() { *,*:after,*:before { -webkit-Box-sizing: border-Box; -moz-Box-sizing: border-Box; Box-sizing: border-Box; } } // 文字图片居中 .center(text-x) { text-align: center; } .center(text-y) { display: table-cell; vertical-align: middle; } // 块级元素水平居中 .center(auto-x) { display: block; margin-left: auto; margin-right: auto; } // 居中,不确定尺寸,不兼容 IE6 .center(unkNown) { position: absolute; top: 0; left: 0; right: 0; bottom: 0; margin: auto; } .center(unkNown-x) { position: absolute; left: 0; right: 0; margin-left: auto; margin-right: auto; } .center(unkNown-y) { position: absolute; top: 0; bottom: 0; margin-top: auto; margin-bottom: auto; } // 居中,确定尺寸,兼容 IE6 .center(kNown,@w,@h) { .size(@w,@h); position: absolute; top: 50%; left: 50%; margin-top: -(@w / 2); margin-left: -(@h / 2); } .center(kNown-x,@w) { width: @w; position: absolute; left: 50%; margin-left: -(@h / 2); } .center(kNown-y,@h) { height: @h; position: absolute; top: 50%; margin-top: -(@w / 2); } // 居中,CSS3 平移方式,兼容性不行 .center(translate) { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); } // 居中,Flex 方式,兼容性不行 .center(flex) { display: flex; align-items: center; justify-content: center; } // 多个子项布局 .list(float,@w: 25%) { float: left; width: @w; } .list(inline,@w: 25%) { .dib(); width: @w; } .list(flex) { flex: 1; } // 遮罩层,全屏遮罩、区域遮罩 .over-screen(fixed) { .fixed(); top: 0; left: 0; right: 0; bottom: 0; } .over-screen(absolute) { position: absolute; top: 0; left: 0; right: 0; bottom: 0; } // 容器宽高比固定 // 100* 1/1 = 100% // 100* 3/4 = 75% .fixed-ratio(@padding-top: 100%) { position: relative; width: 100%; height: 0; padding-top: @padding-top; img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } } // 扩展点击区域 .extend-click() { position: relative; &:before { content: ‘‘; position: absolute; top: -10px; left: -10px; right: -10px; bottom: -10px; } } // 定宽居中页面布局 .layout-page(@width: 1200px) { width: @width; margin-left: auto; margin-right: auto; } // 侧边栏 // 主要区域：overflow: hidden; margin-left: xx; margin-right: xx; .sidebar(left,@width) { position: absolute; top: 0; left: 0; width: @width; } .sidebar(right,@width) { position: absolute; top: 0; right: 0; width: @width; } /*------------------------------------- ├ 字体 ┆ └------------------------------------*/ // 字体大小 .fz(@fz) { font-size: @fz; } // 字体大小与行高 .fz(@fz,@lh) { font-size: @fz; line-height: @lh; } // 字体大小、行高、高度 .fz(@fz,@h,@lh: @h) { font-size: @fz; height: @h; line-height: @lh; } // 行高与高度 .lh(@h,@lh: @h) { height: @h; line-height: @lh; } // 字体颜色,包括链接与非链接 .color(@color) { color: @color;} // 字体颜色 + 自身 Hover .color(@color,@hovercolor) { color: @color; &:hover { color: @hovercolor; } } // 字体颜色 + 链接 Hover .color(@color,@acolor,@hovercolor) { color: @color; a { color: @acolor; &:hover { color: @hovercolor; } } } // 正常字体样式 .normal-font() { font-weight: normal; font-style: normal; } // 辅助性文字（灰色） .assist-font(@color: #b0b0b0,@fz: 14px) { color: @color; font-size: @fz; } // 禁止换行,文本溢出省略号显示 (一行) .ellipsis() { white-space: normal; word-wrap: break-word; word-break: break-all; -o-text-overflow: ellipsis; -ms-text-overflow: ellipsis; text-overflow:ellipsis; overflow:hidden; } // 文本溢出省略号显示 (多行) // 只支持 webkit 浏览器,解决方案：高度 = 行高*行数 // height: 90px; line-height: 30px; -webkit-line-clamp: 3; .ellipsis-mult(@n: 3) { display: -webkit-Box; -webkit-Box-orient: vertical;-webkit-line-clamp: @n; word-break: break-all; -o-text-overflow: ellipsis; -ms-text-overflow: ellipsis; text-overflow:ellipsis; overflow: hidden; } // 书写模式：牌匾从右至左水平单行排版效果、文笺从右至左、从上至下排版效果 .retext(x) { direction: rtl; unicode-bidi: bidi-override; } .retext(y) { writing-mode: tb-rl; writing-mode: vertical-rl; } // 文字透明 .transparent-text() { font: 0/0 serif; text-shadow: none; color: transparent; } // 文字隐藏（常用于SEO优化） // <a href="" title="logo SEO 优化 "><h1 class="logo">xx</h1></a> .hidden-text() { text-indent : -9999px; overflow: hidden; text-align: left; } // 文字外发光效果 .glow-text(@r: 10px,@color: gold) { text-shadow: 0 0 @r @color; } /*------------------------------------- ├ 图像 ┆ └------------------------------------*/ // 用 max-width 来防止图片撑破容器 .max-img() { display: block; max-width: 100%; height: auto; } // 2x 3x 背景图片 .bg-image(@url) { background-image: url("@url + ‘@2x.png‘"); @media (-webkit-min-device-pixel-ratio: 3),(min-device-pixel-ratio: 3) { background-image: url("@url + ‘@3x.png‘"); } } // 全屏大图背景 .fullscreen-bg(@url) { width: 100vw; height: 100vh; background: url(@url) no-repeat 50% 50%; background-size: cover; } // 滤镜: 将彩色照片显示为黑白照片 .grayscale() { filter: grayscale(100%); -webkit-filter: grayscale(100%); -moz-filter: grayscale(100%); -ms-filter: grayscale(100%); -o-filter: grayscale(100%); } /*------------------------------------- ├ 动效 ┆ └------------------------------------*/ // 链接默认无下划线，hover后有下划线的样式 .hover-link() { text-decoration: none; &:hover { text-decoration: underline; } } // 将链接变成默认的文字样式 .unstyled-link() { color: inherit; cursor: inherit; text-decoration: inherit; &:active,&:focus { outline: none; } } // 盒子阴影 // Box-shadow: 水平阴影的位置,垂直阴影的位置,模糊距离,阴影的大小,阴影的颜色,阴影开始方向（默认是从里往外，设置inset就是从外往里）; // Box-shadow: h-shadow v-shadow blur spread color inset; .Box-shadow() { Box-shadow: 0px 14px 26px 0px rgba(0,0.1); } // 盒子 Hover .Box-hover() { // Box-shadow: 0px 1px 2px 0px rgba(84,107,.4); transition: all .2s linear; &:hover { Box-shadow: 0 15px 30px rgba(0,.1); transform: translate3d(0,-2px,0); } } .Box-hover2() { transition: transform .5s ease; &:hover { transform: translateX(10px); } } // 三维闪动 bug 处理 .transform-fix() { -webkit-backface-visibility: hidden; -webkit-transform-style: preserve-3d; } // Animation .ani(@name,@time: 1s,@ease: ease-in-out,@fillmode: forwards) { animation-name: @name; animation-duration: @time; animation-timing-function: @ease; animation-fill-mode: @fillmode; } /*------------------------------------- ├ 功能 ┆ └------------------------------------*/ // 浮动,兼容 IE6 .fl() { float: left; *display: inline; _display:inline; } .fr() { float: right; *display: inline; _display:inline; } // 清除浮动 .clearfix() { *zoom: 1; &:after { display: block; clear: both; content: ‘‘; visibility: hidden; height: 0; } } .clearfix(table) { *zoom: 1; &:before,&:after { content: " "; display: table; clear: both; } } // 禁止文本被选择 .user-select() { -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; } // 隐藏鼠标手势 .hide-cursor() { cursor: none !important; } // 鼠标禁用样式，但仍然可以触发事件 // <input type="text" disabled="disabled"> .disabled() { cursor: not-allowed; } // 禁用元素事件 // 1. 阻止任何点击动作的执行 // 2. 使链接显示为默认光标(cursor:default) // 3. 阻止触发hover和active状态 // 4. 阻止JavaScript点击事件的触发 .pointer-events() { pointer-events: none; } // 模糊 .blur(@blur: 10px) { filter: blur(@blur); -webkit-filter: blur(@blur); -moz-filter: blur(@blur); -o-filter: blur(@blur); -ms-filter: blur(@blur); filter: progid:DXImageTransform.Microsoft.Blur(PixelRadius=‘@{blur}‘); *zoom: 1; } // 透明度,兼容 IE8 .opacity(@opacity: 20) { opacity: @opacity / 100; filter: alpha([email protected]); } // 用伪类来显示打印时 a 标签的链接 .print-link() { @media print { a[href]:after { content: " (" attr(href) ") "; } } } // 隔行换色 .zebra-lists(odd,@color) { &.odd { >li:nth-child(odd) { background-color: @color; } } } .zebra-lists(even,@color) { &.even { >li:nth-child(even) { background: green; } } } // 首字下沉 .first-letter(@font-size: 6em) { &::first-letter{ float: left; line-height: 1; font-size: @font-size; } } // 特殊标记段落第一行 .first-line() { &::first-line{ color: red } } // 美化选中文本 .beauty-select() { &::selection{ color: #fff; background-color: #6bc30d; text-shadow: none; } } // 美化占位符 placeholder 样式 .beauty-placeholder(@fz,@color: #999,@align: left) { &:-moz-placeholder { font-size: @fz; color: @color; text-align: @align; } &:-ms-input-placeholder { font-size: @fz; color: @color; text-align: @align; } &::-webkit-input-placeholder { font-size: @fz; color: @color; text-align: @align; } } // 美化占位符 placeholder 样式（自定义属性和值） .beauty-placeholder(custom,@property,@value) { &:-moz-placeholder { @{property}: @value; } &:-ms-input-placeholder { @{property}: @value; } &::-webkit-input-placeholder { @{property}: @value; } } /*------------------------------------- ├ 图形 ┆ └------------------------------------*/ // 三角形 .triangle(@width: 4px,@color: #000) { display: inline-block; width: 0; height: 0; vertical-align: middle; border-top: @width solid @color; border-left: @width solid transparent; border-right: @width solid transparent; } // 三角形箭头气泡效果,IE6-7 无表现 .arrow(top,@w: 10px,@color,@x: 50%) { position: relative; &:before { position: absolute; bottom: 100%; left: @x; content: " "; height: 0; width: 0; pointer-events: none; border-style: solid; border-color: transparent; border-bottom-color: @color; border-width: unit(@w,px); @margin: [email protected]; margin-left: unit(@margin,px); } } .arrow(right,@y: 50%) { position: relative; &:before { position: absolute; left: 100%; top: @y; content: " "; height: 0; width: 0; pointer-events: none; border-style: solid; border-color: transparent; border-left-color: @color; border-width: unit(@w,px); @margin: [email protected]; margin-top: unit(@margin,px); } } .arrow(bottom,@x: 50%) { position: relative; &:before { position: absolute; top: 100%; left: @x; content: " "; height: 0; width: 0; pointer-events: none; border-style: solid; border-color: transparent; border-top-color: @color; border-width: unit(@w,px); @margin: [email protected]; margin-left: unit(@margin,px); } } .arrow(left,@y: 50%) { position: relative; &:before { position: absolute; right: 100%; top: @y; content: " "; height: 0; width: 0; pointer-events: none; border-style: solid; border-color: transparent; border-right-color: @color; border-width: unit(@w,px); @margin: [email protected]; margin-top: unit(@margin,px); } } // 三角形箭头气泡效果,带边框 .arrow-with-border(top,@border-w: 1px,@border-color,@x: 50%) { position: relative; &:before,&:after { bottom: 100%; left: @x; content: " "; height: 0; width: 0; position: absolute; pointer-events: none; border-style: solid; border-color: transparent; } &:after { border-bottom-color: @color; border-width: unit(@w,px); @margin: [email protected]; margin-left: unit(@margin,px); } &:before { border-bottom-color: @border-color; @arrbo: @[email protected]; border-width: unit(@arrbo,px); @margin-bo: [email protected]; margin-left: unit(@margin-bo,px); } } .arrow-with-border(bottom,&:after { top: 100%; left: @x; content: " "; height: 0; width: 0; position: absolute; pointer-events: none; border-style: solid; border-color: transparent; } &:after { border-top-color: @color; border-width: unit(@w,px); @margin: [email protected]; margin-left: unit(@margin,px); } &:before { border-top-color: @border-color; @arrbo: @[email protected]; border-width: unit(@arrbo,px); @margin-bo: [email protected]; margin-left: unit(@margin-bo,px); } } .arrow-with-border(left,@y: 50%) { position: relative; &:before,&:after { top: @y; right: 100%; content: " "; height: 0; width: 0; position: absolute; pointer-events: none; border-style: solid; border-color: transparent; } &:after { border-right-color: @color; border-width: unit(@w,px); @margin: [email protected]; margin-top: unit(@margin,px); } &:before { border-right-color: @border-color; @arrbo: @[email protected]; border-width: unit(@arrbo,px); @margin-bo: [email protected]; margin-top: unit(@margin-bo,px); } } .arrow-with-border(right,&:after { top: @y; left: 100%; content: " "; height: 0; width: 0; position: absolute; pointer-events: none; border-style: solid; border-color: transparent; } &:after { border-left-color: @color; border-width: unit(@w,px); @margin: [email protected]; margin-top: unit(@margin,px); } &:before { border-left-color: @border-color; @arrbo: @[email protected]; border-width: unit(@arrbo,px); @margin-bo: [email protected]; margin-top: unit(@margin-bo,px); } } /*------------------------------------- ├ 组件 ┆ └------------------------------------*/ // 吸顶导航 .fix-header(@h: 70px) { .fixed(); top: 0; left: 0; width: 100%; height: @h; z-index: 1000; // background-color: rgba(256,256,.92); // border-bottom: 1px solid rgba(7,17,27,0.1); // Box-shadow: 0px 0px 20px rgba(0,0.2); } // 吸底导航 .fix-header(@h: 70px) { .fixed(); left: 0; bottom: 0; width: 100%; height: @h; z-index: 1000; } // 输入框 .input-text() { display: block; width: 100%; padding: 4px 8px; font-size: 14px; line-height: 1.42858; color: #333; border: 1px solid #ddd; background-color: #fff; border-radius: 3px; } // 分割线 // <span class="separator">|/-</span> .separator() { margin: 0 10px; color: #999; font-size: 14px; } // 分割线 / (面包屑导航) .separator2() { &:before { padding: 0 5px; color: #ccc; content: "/\00a0"; } } // <hr class="hr"> // 支付宝：我也是有底线的 .hr() { height: 1px; margin: 10px 0; border: 0; clear: both; background-color: #e2e2e2; } // 改装的 fieldset // <fieldset><legend>返璞归真</legend></fieldset> .fieldset() { border-color: #d2d2d2; border-width: 1px 0 0; border-style: solid; legend { padding: 0 20px; text-align: center; font-size: 20px; font-weight: 300; } } // 引用区块（模仿 Layui） // <div class="blockquote">Lorem ipsum dolor sit amet.</div> .blockquote() { margin-bottom: 10px; padding: 15px; line-height: 22px; border-left: 5px solid #009688; border-radius: 0 2px 2px 0; background-color: #f2f2f2; } // 徽章 (椭圆、小圆点) // <span class="badge">10</span> .badge(...) { position: relative; display: inline-block; font-size: 12px; color: #fff; background-color: #FF5722; } .badge(ellipse) { min-width: 8px; height: 18px; padding: 2px 6px; text-align: center; line-height: 18px; border-radius: 9px; } .badge(dot) { width: 8px; height: 8px; border-radius: 50%; } // 关闭按钮 // <button class="close" type="button"><span>×</span></button> .close() { position: relative; -webkit-appearance: none; padding: 0; cursor: pointer; background: 0 0; border: 0; font-size: 20px; font-weight: 700; line-height: 1; color: #000; text-shadow: 0 1px 0 #fff; filter: alpha(opacity=20); opacity: .2; &:hover { color: #000; text-decoration: none; cursor: pointer; filter: alpha(opacity=50); opacity: .5; } &:before { content: ‘‘; position: absolute; top: -10px; left: -10px; right: -10px; bottom: -10px; } } // 1 像素边框问题 .onepx(...) { position: relative; &:after { content: ‘‘; display: block; position: absolute; left: 0; width: 100%; border-top: 1px solid rgba(7,0.1); transform: scaleY(0.5); } } .onepx(top) { &:after { top: 0; } } .onepx(bottom) { &:after { bottom: 0; } } .onepx-easy(top,@color: #ccc) { Box-shadow: inset 0px -1px 1px -1px @color; } .onepx-easy(bottom,@color: #ccc) { Box-shadow: inset 0px 1px 1px -1px @color; }
5.2 reset
@charset "utg-8"; /* CSS Document */ html,body,h1,h2,h3,h4,h5,h6,div,dl,dt,dd,ul,ol,li,p,blockquote,pre,hr,figure,table,caption,th,td,form,fieldset,legend,input,button,textarea,menu{margin:0;padding:0;} body{ background-color:#fff;} html,img,iframe,abbr{border:0;} li{list-style:none;} textarea{overflow:auto;resize:none;} a,button{cursor:pointer;} h1,em,strong,b{font-weight:bold;} a,a:hover{text-decoration:none;} body,button{ color:#62a1c9; } html,body{ width:100%; min-height: 930px; height: auto; } .hide{ display: none; } .text-shadow (@string: 0 1px 3px rgba(0,0.25)) { text-shadow: @string; } .Box-shadow (@string) { -webkit-Box-shadow: @string; -moz-Box-shadow: @string; Box-shadow: @string; } .drop-shadow (@x: 0,@y: 1px,@blur: 2px,@spread: 0,@alpha: 0.25) { -webkit-Box-shadow: @x @y @blur @spread rgba(0,@alpha); -moz-Box-shadow: @x @y @blur @spread rgba(0,@alpha); Box-shadow: @x @y @blur @spread rgba(0,@alpha); } .inner-shadow (@x: 0,@alpha: 0.25) { -webkit-Box-shadow: inset @x @y @blur @spread rgba(0,@alpha); -moz-Box-shadow: inset @x @y @blur @spread rgba(0,@alpha); Box-shadow: inset @x @y @blur @spread rgba(0,@alpha); } .Box-sizing (@type: border-Box) { -webkit-Box-sizing: @type; -moz-Box-sizing: @type; Box-sizing: @type; } .border-radius (@radius: 5px) { -webkit-border-radius: @radius; -moz-border-radius: @radius; border-radius: @radius; -moz-background-clip: padding; -webkit-background-clip: padding-Box; background-clip: padding-Box; } .border-radiuses (@topright: 0,@bottomright: 0,@bottomleft: 0,@topleft: 0) { -webkit-border-top-right-radius: @topright; -webkit-border-bottom-right-radius: @bottomright; -webkit-border-bottom-left-radius: @bottomleft; -webkit-border-top-left-radius: @topleft; -moz-border-radius-topright: @topright; -moz-border-radius-bottomright: @bottomright; -moz-border-radius-bottomleft: @bottomleft; -moz-border-radius-topleft: @topleft; border-top-right-radius: @topright; border-bottom-right-radius: @bottomright; border-bottom-left-radius: @bottomleft; border-top-left-radius: @topleft; -moz-background-clip: padding; -webkit-background-clip: padding-Box; background-clip: padding-Box; } .opacity (@opacity: 0.5) { @tempOpacity: @opacity * 100; -webkit-opacity: @opacity; -moz-opacity: @opacity; opacity: @opacity; filter:alpha([email protected]); } .gradient (@startColor: #eee,@endColor: white) { background-color: @startColor; background: -webkit-gradient(linear,left top,left bottom,from(@startColor),to(@endColor)); background: -webkit-linear-gradient(top,@startColor,@endColor); background: -moz-linear-gradient(top,@endColor); background: -ms-linear-gradient(top,@endColor); background: -o-linear-gradient(top,@endColor); } .horizontal-gradient (@startColor: #eee,@endColor: white) { background-color: @startColor; background-image: -webkit-gradient(linear,right top,to(@endColor)); background-image: -webkit-linear-gradient(left,@endColor); background-image: -moz-linear-gradient(left,@endColor); background-image: -ms-linear-gradient(left,@endColor); background-image: -o-linear-gradient(left,@endColor); background-image: linear-gradient(left,@endColor); } .animation (@name,@duration: 300ms,@delay: 0,@ease: ease) { -webkit-animation: @name @duration @delay @ease; -moz-animation: @name @duration @delay @ease; -ms-animation: @name @duration @delay @ease; animation: @name @duration @delay @ease; } .transition (@transition) { -webkit-transition: @transition; -moz-transition: @transition; -ms-transition: @transition; -o-transition: @transition; transition: @transition; } .transform(@string){ -webkit-transform: @string; -moz-transform: @string; -ms-transform: @string; -o-transform: @string; transform: @string; } .scale (@factor) { -webkit-transform: scale(@factor); -moz-transform: scale(@factor); -ms-transform: scale(@factor); -o-transform: scale(@factor); transform: scale(@factor); } .rotate (@deg) { -webkit-transform: rotate(@deg); -moz-transform: rotate(@deg); -ms-transform: rotate(@deg); -o-transform: rotate(@deg); transform: rotate(@deg); } .skew (@deg,@deg2) { -webkit-transform: skew(@deg,@deg2); -moz-transform: skew(@deg,@deg2); -ms-transform: skew(@deg,@deg2); -o-transform: skew(@deg,@deg2); transform: skew(@deg,@deg2); } .translate (@x,@y:0) { -webkit-transform: translate(@x,@y); -moz-transform: translate(@x,@y); -ms-transform: translate(@x,@y); -o-transform: translate(@x,@y); transform: translate(@x,@y); } .translate3d (@x,@y: 0,@z: 0) { -webkit-transform: translate3d(@x,@y,@z); -moz-transform: translate3d(@x,@z); -ms-transform: translate3d(@x,@z); -o-transform: translate3d(@x,@z); transform: translate3d(@x,@z); } .perspective (@value: 1000) { -webkit-perspective: @value; -moz-perspective: @value; -ms-perspective: @value; perspective: @value; } .transform-origin (@x:center,@y:center) { -webkit-transform-origin: @x @y; -moz-transform-origin: @x @y; -ms-transform-origin: @x @y; -o-transform-origin: @x @y; transform-origin: @x @y; } .keyframes(@name,@frames) { @-webkit-keyframes @name { @frames(); } @-moz-keyframes @name { @frames(); } @-ms-keyframes @name { @frames(); } @-o-keyframes @name { @frames(); } @keyframes @name { @frames(); } } .animation(@arg){ -moz-animation:@arg; -webkit-animation:@arg; -o-animation:@arg; -ms-animation:@arg; animation:@arg; }
6.参考链接
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