<frequency>

前端控2019-03-21 13:50:24

CSS 教程手册（新） 121653人学习

<frequency>

说明：

<number>接频率单位

频率值不允许有负值。
频率单位包括有：Hz,kHz
举例说明：200Hz(或200hz)表示一个低音，6kHz(或6khz)表示一个高音。
单位换算：1kHz = 1000 Hz

兼容性：

浅绿 = 支持

红色 = 不支持

粉色 = 部分支持

IE	Firefox	Chrome	Safari	Opera	iOS Safari	Android Browser	Android Chrome
6.0-11.0	2.0-38.0	4.0-43.0	3.1-8.1	15.0-28.0	3.2-8.1	2.1-4.4.4	18.0-40.0

第1章 CSS 入门教程: CSS速查总表; CSS 教程学习导读; CSS简介; CSS语法; CSS 创建; CSS 定位(Position); CSS 布局(Layout); CSS 尺寸 (Dimension); CSS 外边距(Margin); CSS 填充（Padding）; CSS 背景(Backgrounds); CSS 边框(Border); CSS 颜色(Color); CSS 字体(Fonts); CSS 文本(Text); CSS 文本装饰(Text Decoration); CSS 书写模式(Writing Modes); CSS 列表样式(List); CSS 表格(Table); CSS 内容(Content); CSS用户界面(User Interface); CSS打印(Print); CSS媒体查询(Media Queries); CSS 链接(Link); CSS 轮廓（Outline）; CSS 分组和嵌套(Grouping and Nesting); CSS 浮动 (Float); CSS 盒子模型（Box Model）; CSS 显示(Display); CSS 导航栏(Navigation Bar); CSS 溢出(Overflow); CSS 下拉菜单(Drop down menu); CSS 对齐(Align); CSS 提示工具(Prompt Tool); CSS 图片廊(Image Gallery); CSS 图像透明/不透明(Opacity); CSS 图像拼合技术(Image stitching technique); CSS 媒体类型(Media Type); Only IE; Only Webkit; Only Firefox; CSS 总结
第2章 CSS 原生手册: CSS 手册导读; CSS 选择器; CSS 听觉参考手册; CSS Web安全字体组合; CSS 动画; CSS 函数; CSS 单位; CSS 颜色; CSS 颜色值; CSS 颜色名; CSS 颜色十六进制
第3章 CSS 函数 Function: CSS attr() 函数; CSS calc() 函数; CSS linear-gradient() 函数; CSS radial-gradient() 函数; CSS repeating-linear-gradient() 函数
第4章 CSS选择器 Selectors: 元素选择符; 关系选择符; 属性选择符; 伪类选择符; 伪对象选择符
第5章 CSS取值与单位 Values and Units: CSS 长度(Length); CSS 角度(Angle); CSS 时间(Time); CSS 频率(Frequency); CSS 布局(Layout-specific); CSS 分辨率(Resolution); CSS 文本(Textual); CSS 函数(Functional); CSS 生成内容(Content); CSS 图像(Image); CSS 数字(Numeric)
第6章 CSS语法与规则 Rules: !important; comment; @import; @page; @supports
第7章 CSS 属性 Property: border-top; scan; border-top-color; overflow-wrap; border-top-left-radius; text-size-adjust; border-top-right-radius; text-decoration-skip; text-underline-position; border-top-style; column-break-before; border-top-width; column-break-after; border-width; column-break-inside; bottom; text-fill-color; box-align; box-reflect; box-direction; tap-highlight-color; user-drag; box-flex; border-colors; box-flex-group; border-top-colors; box-lines; border-right-colors; box-ordinal-group; border-bottom-colors; border-left-colors; box-orient; scrollbar-3dlight-color; box-pack; scrollbar-darkshadow-color; box-shadow; scrollbar-highlight-color; box-sizing; scrollbar-shadow-color; caption-side; scrollbar-arrow-color; clear; scrollbar-arrow-color; clip; scrollbar-face-color; color; scrollbar-track-color; column-count; scrollbar-base-color; column-fill; behavior; column-gap; column-rule; column-rule-color; column-rule-style; column-rule-width; column-span; column-width; columns; content; counter-increment; counter-reset; cursor; direction; display; empty-cells; filter; flex; flex-basis; flex-direction; flex-flow; flex-grow; flex-shrink; flex-wrap; float; font; @font-face; font-family; font-size; font-size-adjust; font-stretch; font-style; font-variant; font-weight; grid-columns; grid-rows; hanging-punctuation; height; icon; justify-content; @keyframes; left; letter-spacing; line-height; list-style; list-style-image; list-style-position; list-style-type; margin; margin-bottom; margin-left; margin-right; margin-top; max-height; max-width; @media; min-height; min-width; nav-down; nav-index; nav-left; nav-right; nav-up; opacity; order; outline; outline-color; outline-offset; outline-style; outline-width; overflow; overflow-x; overflow-y; padding; padding-bottom; padding-left; padding-right; padding-top; page-break-after; page-break-before; page-break-inside; perspective; perspective-origin; position; punctuation-trim; quotes; resize; right; rotation; tab-size; table-layout; target; target-name; target-new; target-position; text-align; text-align-last; text-decoration; text-decoration-color; text-decoration-line; text-decoration-style; text-indent; text-justify; text-outline; text-overflow; text-shadow; text-transform; text-wrap; top; transform; transform-origin; transform-style; transition; transition-delay; transition-duration; transition-property; transition-timing-function; unicode-bidi; pointer-events; vertical-align; user-select; visibility; ime-mode; white-space; zoom; width; -webkit-appearance; word-break; @charset; word-spacing; text-stroke; word-wrap; text-stroke-width; z-index; text-stroke-color; writing-mode; <angle>; deg; grad; rad; turn; s; align-content; ms; <frequency>; align-items; Hz; align-self; kHz; all; <fraction>; animation; <grid>; animation-delay; fr; animation-direction; gr; animation-duration; <resolution>; animation-fill-mode; dpi; animation-iteration-count; dpcm; dppx; animation-name; unset; animation-play-state; <string>; <url>; animation-timing-function; <identifier>; appearance; calc(); backface-visibility; toggle(); background; counter(); background-attachment; counters(); attr(); <image>; background-blend-mode; image(); background-clip; image-set(); background-color; <gradient>; background-image; repeating-radial-gradient(); background-origin; <integer>; background-position; <percentage>; background-repeat; background-size; border; border-bottom; border-bottom-color; border-bottom-left-radius; border-bottom-right-radius; border-bottom-style; border-bottom-width; border-collapse; border-color; border-image; border-image-outset; border-image-repeat; page; border-image-slice; page-break-before; border-image-source; page-break-after; page-break-inside; border-image-width; border-left; border-left-color; border-left-style; border-left-width; border-radius; border-right; device-width; border-right-color; device-height; border-right-style; orientation; border-right-width; aspect-ratio; border-spacing; device-aspect-ratio; border-style; color-index; monochrome; initial; inherit; RGBA; Color Name; HEX; RGB; HSL; HSLA; transparent; currentColor; <length>; em; ex; ch; rem; vw; vh; vmax; vmin; cm; mm; q; in; pt; pc; px; <number>
第8章 CSS附录 Appendix: 颜色关键字(Color Keywords); 媒体类型(Media Types)
第9章 CSS HACK: 条件Hack; 属性级Hack; 选择符级Hack
第10章问题和经验: Bugs及解决方案列表; CSS技巧和经验列表; 其它技巧和经验列表; 参考资源列表

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