温馨提示：一下css封装，建议按需使用，否则会造成很大的代码冗余，且很多样式会造成不符合预期的效果，建议合理使用
<a href="https://meyerweb.com/eric/tools/css/reset/">Reset.css</a>
function.css
/* 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; }
.cf { zoom:; }
.cf:after {
content:".";
display:block;
clear:both;
visibility:hidden;
height:;
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:;
overflow: hidden;
}
.wes-3 {
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp:;
overflow: hidden;
}
.wes-4 {
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp:;
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:; }
.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:;right:;
bottom:; top:;
margin: auto;
} /* 辅助 */
.mask-fixed-wrapper {
width: 100%;
height: 100%;
position: fixed;
left:;top:;
background: rgba(0, 0, 0, 0.65);
z-index:;
}
.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;
}
PC端
/* normalize.css */
html {
line-height: 1.15;
/* 1 */
-ms-text-size-adjust: 100%;
/* 2 */
-webkit-text-size-adjust: 100%;
/* 2 */
}
body {
margin:;
}
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:;
/* 1 */
overflow: visible;
/* 2 */
}
pre {
font-family: monospace, monospace;
/* 1 */
font-size: 1em;
/* 2 */
}
a {
/* 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 {
color: #000;
}
small {
font-size: 80%;
}
sub,
sup {
font-size: 75%;
line-height:;
position: relative;
vertical-align: baseline;
}
sub {
bottom: -0.25em;
}
sup {
top: -0.5em;
}
audio,
video {
display: inline-block;
}
audio:not([controls]) {
display: none;
height:;
}
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:;
/* 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:;
}
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:;
/* 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:;
/* 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:; padding:; box-sizing: border-box;
}
移动端
/* normalize.css */
html {
line-height: 1.15;
/* 1 */
-ms-text-size-adjust: 100%;
/* 2 */
-webkit-text-size-adjust: 100%;
/* 2 */
}
body {
margin:;
}
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:;
/* 1 */
overflow: visible;
/* 2 */
}
pre {
font-family: monospace, monospace;
/* 1 */
font-size: 1em;
/* 2 */
}
a {
/* 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 {
color: #000;
}
small {
font-size: 80%;
}
sub,
sup {
font-size: 75%;
line-height:;
position: relative;
vertical-align: baseline;
}
sub {
bottom: -0.25em;
}
sup {
top: -0.5em;
}
audio,
video {
display: inline-block;
}
audio:not([controls]) {
display: none;
height:;
}
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:;
/* 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:;
}
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:;
/* 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:;
/* 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:;
padding:;
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;
}