# CSS 样式总览

本文由 Koi 提供

# PC端开发时的样式重置

html {
	line-height: 1.15;
	/* 1 */
	-ms-text-size-adjust: 100%;
	/* 2 */
	-webkit-text-size-adjust: 100%;
	/* 2 */
}

body {
	margin: 0;
}

article,
aside,
footer,
header,
nav,
section {
	display: block;
}

h1 {
	font-size: 2em;
	margin: 0.67em 0;
}

figcaption,
figure,
main {
	/* 1 */
	display: block;
}

figure {
	margin: 1em 40px;
}

hr {
	box-sizing: content-box;
	/* 1 */
	height: 0;
	/* 1 */
	overflow: visible;
	/* 2 */
}

pre {
	font-family: monospace, monospace;
	/* 1 */
	font-size: 1em;
	/* 2 */
}

a {
	background-color: transparent;
	/* 1 */
	-webkit-text-decoration-skip: objects;
	/* 2 */
}

abbr[title] {
	border-bottom: none;
	/* 1 */
	text-decoration: underline;
	/* 2 */
	text-decoration: underline dotted;
	/* 2 */
}

b,
strong {
	font-weight: inherit;
}

b,
strong {
	font-weight: bolder;
}

code,
kbd,
samp {
	font-family: monospace, monospace;
	/* 1 */
	font-size: 1em;
	/* 2 */
}

dfn {
	font-style: italic;
}

mark {
	background-color: #ff0;
	color: #000;
}

small {
	font-size: 80%;
}

sub,
sup {
	font-size: 75%;
	line-height: 0;
	position: relative;
	vertical-align: baseline;
}

sub {
	bottom: -0.25em;
}

sup {
	top: -0.5em;
}

audio,
video {
	display: inline-block;
}

audio:not([controls]) {
	display: none;
	height: 0;
}

img {
	border-style: none;
}

svg:not(:root) {
	overflow: hidden;
}

button,
input,
optgroup,
select,
textarea {
	font-family: sans-serif;
	/* 1 */
	font-size: 100%;
	/* 1 */
	line-height: 1.15;
	/* 1 */
	margin: 0;
	/* 2 */
}

button,
input {
	/* 1 */
	overflow: visible;
}

button,
select {
	/* 1 */
	text-transform: none;
}

button,
html [type="button"],

/* 1 */

[type="reset"],
[type="submit"] {
	-webkit-appearance: button;
	/* 2 */
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
	border-style: none;
	padding: 0;
}

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
	outline: 1px dotted ButtonText;
}

fieldset {
	padding: 0.35em 0.75em 0.625em;
}

legend {
	box-sizing: border-box;
	/* 1 */
	color: inherit;
	/* 2 */
	display: table;
	/* 1 */
	max-width: 100%;
	/* 1 */
	padding: 0;
	/* 3 */
	white-space: normal;
	/* 1 */
}

progress {
	display: inline-block;
	/* 1 */
	vertical-align: baseline;
	/* 2 */
}

textarea {
	overflow: auto;
}

[type="checkbox"],
[type="radio"] {
	box-sizing: border-box;
	/* 1 */
	padding: 0;
	/* 2 */
}

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
	height: auto;
}

[type="search"] {
	-webkit-appearance: textfield;
	/* 1 */
	outline-offset: -2px;
	/* 2 */
}

[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
	-webkit-appearance: none;
}

::-webkit-file-upload-button {
	-webkit-appearance: button;
	/* 1 */
	font: inherit;
	/* 2 */
}

details,

/* 1 */

menu {
	display: block;
}

summary {
	display: list-item;
}

canvas {
	display: inline-block;
}

template {
	display: none;
}

[hidden] {
	display: none;
}

/* reset */

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;
	box-sizing: border-box;
}

# 移动端开发时的样式重置

html {
	line-height: 1.15;
	/* 1 */
	-ms-text-size-adjust: 100%;
	/* 2 */
	-webkit-text-size-adjust: 100%;
	/* 2 */
}

body {
	margin: 0;
}

article,
aside,
footer,
header,
nav,
section {
	display: block;
}

h1 {
	font-size: 2em;
	margin: 0.67em 0;
}

figcaption,
figure,
main {
	/* 1 */
	display: block;
}

figure {
	margin: 1em 40px;
}

hr {
	box-sizing: content-box;
	/* 1 */
	height: 0;
	/* 1 */
	overflow: visible;
	/* 2 */
}

pre {
	font-family: monospace, monospace;
	/* 1 */
	font-size: 1em;
	/* 2 */
}

a {
	background-color: transparent;
	/* 1 */
	-webkit-text-decoration-skip: objects;
	/* 2 */
}

abbr[title] {
	border-bottom: none;
	/* 1 */
	text-decoration: underline;
	/* 2 */
	text-decoration: underline dotted;
	/* 2 */
}

b,
strong {
	font-weight: inherit;
}

b,
strong {
	font-weight: bolder;
}

code,
kbd,
samp {
	font-family: monospace, monospace;
	/* 1 */
	font-size: 1em;
	/* 2 */
}

dfn {
	font-style: italic;
}

mark {
	background-color: #ff0;
	color: #000;
}

small {
	font-size: 80%;
}

sub,
sup {
	font-size: 75%;
	line-height: 0;
	position: relative;
	vertical-align: baseline;
}

sub {
	bottom: -0.25em;
}

sup {
	top: -0.5em;
}

audio,
video {
	display: inline-block;
}

audio:not([controls]) {
	display: none;
	height: 0;
}

img {
	border-style: none;
}

svg:not(:root) {
	overflow: hidden;
}

button,
input,
optgroup,
select,
textarea {
	font-family: sans-serif;
	/* 1 */
	font-size: 100%;
	/* 1 */
	line-height: 1.15;
	/* 1 */
	margin: 0;
	/* 2 */
}

button,
input {
	/* 1 */
	overflow: visible;
}

button,
select {
	/* 1 */
	text-transform: none;
}

button,
html [type="button"],

/* 1 */

[type="reset"],
[type="submit"] {
	-webkit-appearance: button;
	/* 2 */
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
	border-style: none;
	padding: 0;
}

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
	outline: 1px dotted ButtonText;
}

fieldset {
	padding: 0.35em 0.75em 0.625em;
}

legend {
	box-sizing: border-box;
	/* 1 */
	color: inherit;
	/* 2 */
	display: table;
	/* 1 */
	max-width: 100%;
	/* 1 */
	padding: 0;
	/* 3 */
	white-space: normal;
	/* 1 */
}

progress {
	display: inline-block;
	/* 1 */
	vertical-align: baseline;
	/* 2 */
}

textarea {
	overflow: auto;
}

[type="checkbox"],
[type="radio"] {
	box-sizing: border-box;
	/* 1 */
	padding: 0;
	/* 2 */
}

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
	height: auto;
}

[type="search"] {
	-webkit-appearance: textfield;
	/* 1 */
	outline-offset: -2px;
	/* 2 */
}

[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
	-webkit-appearance: none;
}

::-webkit-file-upload-button {
	-webkit-appearance: button;
	/* 1 */
	font: inherit;
	/* 2 */
}

details,

/* 1 */

menu {
	display: block;
}

summary {
	display: list-item;
}

canvas {
	display: inline-block;
}

template {
	display: none;
}

[hidden] {
	display: none;
}

/* reset */

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;
	box-sizing: border-box;
}

html,
body {
	/* 禁止选中文本 */
	-webkit-user-select: none;
	user-select: none;
	font: Oswald, 'Open Sans', Helvetica, Arial, sans-serif
}

/* 禁止长按链接与图片弹出菜单 */

a,
img {
	-webkit-touch-callout: none;
}

/*ios android去除自带阴影的样式*/

a,
input {
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

input[type="text"] {
	-webkit-appearance: none;
}

# 公用样式

/* 禁止选中文本 */
.usn {
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	-o-user-select: none;
	user-select: none;
}

/* 浮动 */
.fl {
	float: left;
}

.fr {
	float: right;
}

.clearfix {
	zoom: 1;
}

.clearfix:after {
	content: ".";
	display: block;
	clear: both;
	visibility: hidden;
	height: 0;
	overflow: hidden;
}

/* 元素类型 */
.db {
	display: block;
}

.dn {
	display: none;
}

.di {
	display: inline;
}

.dib {
	display: inline-block;
}

.transparent {
	opacity: 0;
}

/*文字排版、颜色*/
.f12 {
	font-size: 12px;
}

.f14 {
	font-size: 14px;
}

.f16 {
	font-size: 16px;
}

.f18 {
	font-size: 18px;
}

.f20 {
	font-size: 20px;
}

.fb {
	font-weight: bold;
}

.fn {
	font-weight: normal;
}

.t2 {
	text-indent: 2em;
}

.red,
a.red {
	color: #cc0031;
}

.darkblue,
a.darkblue {
	color: #039;
}

.gray,
a.gray {
	color: #878787;
}

.lh150 {
	line-height: 150%;
}

.lh180 {
	line-height: 180%;
}

.lh200 {
	line-height: 200%;
}

.unl {
	text-decoration: underline;
}

.no_unl {
	text-decoration: none;
}

.tl {
	text-align: left;
}

.tc {
	text-align: center;
}

.tr {
	text-align: right;
}

.tj {
	text-align: justify;
	text-justify: inter-ideograph;
}

.wn {
	/* 强制不换行 */
	word-wrap: normal;
	white-space: nowrap;
}

.wb {
	/* 强制换行 */
	white-space: normal;
	word-wrap: break-word;
	word-break: break-all;
}

.wp {
	/* 保持空白序列*/
	overflow: hidden;
	text-align: left;
	white-space: pre-wrap;
	word-wrap: break-word;
	word-break: break-all;
}

.wes {
	/* 多出部分用省略号表示 , 用于一行 */
	overflow: hidden;
	word-wrap: normal;
	white-space: nowrap;
	text-overflow: ellipsis;
}

.wes-2 {
	/* 适用于webkit内核和移动端 */
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
}

.wes-3 {
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
}

.wes-4 {
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 4;
	overflow: hidden;
}

/* 溢出样式 */
.ofh {
	overflow: hidden;
}

.ofs {
	overflow: scroll;
}

.ofa {
	overflow: auto;
}

.ofv {
	overflow: visible;
}

/* 定位方式 */
.ps {
	position: static;
}

.pr {
	position: relative;
	zoom: 1;
}

.pa {
	position: absolute;
}

.pf {
	position: fixed;
}

/* 垂直对齐方式 */
.vt {
	vertical-align: top;
}

.vm {
	vertical-align: middle;
}

.vb {
	vertical-align: bottom;
}

/* 鼠标样式 */
.csd {
	cursor: default;
}

.csp {
	cursor: pointer;
}

.csh {
	cursor: help;
}

.csm {
	cursor: move;
}

/* flex布局 */
.df-sb {
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.df-sa {
	display: flex;
	align-items: center;
	justify-content: space-around;
}

/* 垂直居中 */
.df-c {
	display: flex;
	align-items: center;
	justify-content: center;
}

.tb-c {
	text-align: center;
	display: table-cell;
	vertical-align: middle;
}

.ts-c {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
}

.ts-mc {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	top: 0;
	margin: auto;
}

/* 辅助 */
.mask-fixed-wrapper {
	width: 100%;
	height: 100%;
	position: fixed;
	left: 0;
	top: 0;
	background: rgba(0, 0, 0, 0.65);
	z-index: 999;
}

.bg-cover {
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center center;
}

.bg-cover-all {
	background-size: 100% 100%;
	background-repeat: no-repeat;
	background-position: center center;
}
最新修改时间: 7/7/2020, 5:26:53 PM