index.html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0,minimum-scale=1.0">
<title>苏宁</title>
<!-- 移动端初始化文件 -->
<link rel="stylesheet" href="css/normalize.css">
<link rel="stylesheet" href="css/index.css">
</head>
<body>
<!-- 顶部搜索框 -->
<div class="search-content">
<a href="#" class="classify"></a>
<div class="search">
<form action="">
<input type="search" value="厨卫保暖季 每千减百">
</form>
</div>
<a href="#" class="login">登录</a>
</div>
<!-- banner部分 -->
<div class="banner">
<img src="./upload/banner.gif" alt="">
</div>
<!-- 广告部分 -->
<div class="ad">
<a href="#"><img src="upload/ad1.gif" alt=""></a>
<a href="#"><img src="upload/ad2.gif" alt=""></a>
<a href="#"><img src="upload/ad3.gif" alt=""></a>
</div>
<!-- nav模块 -->
<nav>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
<a href="#">
<img src="./upload/nav1.png" alt="">
<span>爆款手机</span>
</a>
</nav>
</body>
</html>common.less:
// 设置常见的屏幕尺寸，修改里面的html文字大小
// 去掉超链接的下划线
a {
text-decoration: none;
}
// 一定要写在最上面
html {
font-size: 50px;
}
// 我们此次定义划分的份数是15
@no:15;
// 320
@media screen and(min-width:320px) {
html {
font-size: (320px / @no);
}
}
// 360
@media screen and(min-width:360px) {
html {
font-size: (360px / @no);
}
}
// 375 ipone 678
@media screen and(min-width:375px) {
html {
font-size: (375px / @no);
}
}
// 384
@media screen and(min-width:384px) {
html {
font-size: (384px / @no);
}
}
// 400
@media screen and(min-width:400px) {
html {
font-size: (400px / @no);
}
}
// 414
@media screen and(min-width:414px) {
html {
font-size: (414px / @no);
}
}
// 424
@media screen and(min-width:424px) {
html {
font-size: (424px / @no);
}
}
// 480
@media screen and(min-width:480px) {
html {
font-size: (480px / @no);
}
}
// 540
@media screen and(min-width:540px) {
html {
font-size: (540px / @no);
}
}
// 720
@media screen and(min-width:720px) {
html {
font-size: (720px / @no);
}
}
// 750
@media screen and(min-width:750px) {
html {
font-size: (750px / @no);
}
}index.less:
// 首页的样式less文件
// 在index.less中导入common.less文件 import是导入的意思 可以把一个样式文件导入到另一个样式文件里面（link是把一个样式文件引入到html页面里面） common的后缀名（.less）可加可不加。
@import "common";
body {
position: relative;
min-width: 320px;
width: 15rem;
margin: 0 auto;
line-height: 1.5;
font-family: Arial,Helvetica;
background: #f2f2f2;
}
// search-content
@basefont:50;
.search-content {
display: flex;
position: fixed;
top: 0;
left: 50%;
transform: translateX(-50%);
width: 15rem;
height: (88rem / @basefont);
background-color: #ffc001;
.classify {
width: (44rem / @basefont);
height: (70rem / @basefont);
margin: (11rem / @basefont) (25rem / @basefont) (7rem / @basefont) (24rem / @basefont);
background: url(../images/classify.png) no-repeat;
// 背景缩放
background-size: (44rem / @basefont) (70rem / @basefont);
}
.search {
flex: 1;
input {
// 去掉蓝色边框
outline: none;
width: 100%;
border: 0;
height: (66rem / @basefont);
border-radius: (33rem / @basefont);
background-color: #fff2cc;
margin-top:(12rem / @basefont) ;
font-size: (25rem / @basefont);
padding-left: (55rem / @basefont);
color: #757575;
}
}
.login {
width: (75rem / @basefont);
height: (70rem / @basefont);
line-height: (70rem / @basefont);
margin: (10rem / @basefont);
font-size: (25rem / @basefont);
text-align: center;
color: #fff;
}
}
// banner
.banner {
width: (750rem / @basefont);
height: (368rem / @basefont);
img {
width: 100%;
height: 100%;
}
}
// ad
.ad {
display: flex;
a {
flex: 1;
img {
width: 100%;
}
}
}
// nav
nav {
width: (750rem / @basefont);
a {
float: left;
width: (150rem / @basefont);
height: (140rem / @basefont);
text-align: center;
img {
// 图示行内元素不能左右居中对齐 得转化成块才行
display: block;
width: (82rem / @basefont);
height: (82rem / @basefont);
margin: (10rem / @basefont) auto 0;
}
span {
display: block;
font-size: (25rem / @basefont);
color: #333;
}
}
}normalize.css:
/*! normalize.css v5.0.0 | MIT License | github.com/necolas/normalize.css */
/**
* 1. Change the default font family in all browsers (opinionated).
* 2. Correct the line height in all browsers.
* 3. Prevent adjustments of font size after orientation changes in
* IE on Windows Phone and in iOS.
*/
/* Document
========================================================================== */
html {
font-family: sans-serif; /* 1 */
line-height: 1.15; /* 2 */
-ms-text-size-adjust: 100%; /* 3 */
-webkit-text-size-adjust: 100%; /* 3 */
}
/* Sections
========================================================================== */
/**
* Remove the margin in all browsers (opinionated).
*/
body {
margin: 0;
}
/**
* Add the correct display in IE 9-.
*/
article,
aside,
footer,
header,
nav,
section {
display: block;
}
/**
* Correct the font size and margin on `h1` elements within `section` and
* `article` contexts in Chrome, Firefox, and Safari.
*/
h1 {
font-size: 2em;
margin: 0.67em 0;
}
/* Grouping content
========================================================================== */
/**
* Add the correct display in IE 9-.
* 1. Add the correct display in IE.
*/
figcaption,
figure,
main { /* 1 */
display: block;
}
/**
* Add the correct margin in IE 8.
*/
figure {
margin: 1em 40px;
}
/**
* 1. Add the correct box sizing in Firefox.
* 2. Show the overflow in Edge and IE.
*/
hr {
box-sizing: content-box; /* 1 */
height: 0; /* 1 */
overflow: visible; /* 2 */
}
/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/
pre {
font-family: monospace, monospace; /* 1 */
font-size: 1em; /* 2 */
}
/* Text-level semantics
========================================================================== */
/**
* 1. Remove the gray background on active links in IE 10.
* 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
*/
a {
background-color: transparent; /* 1 */
-webkit-text-decoration-skip: objects; /* 2 */
}
/**
* Remove the outline on focused links when they are also active or hovered
* in all browsers (opinionated).
*/
a:active,
a:hover {
outline-width: 0;
}
/**
* 1. Remove the bottom border in Firefox 39-.
* 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
*/
abbr[title] {
border-bottom: none; /* 1 */
text-decoration: underline; /* 2 */
text-decoration: underline dotted; /* 2 */
}
/**
* Prevent the duplicate application of `bolder` by the next rule in Safari 6.
*/
b,
strong {
font-weight: inherit;
}
/**
* Add the correct font weight in Chrome, Edge, and Safari.
*/
b,
strong {
font-weight: bolder;
}
/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/
code,
kbd,
samp {
font-family: monospace, monospace; /* 1 */
font-size: 1em; /* 2 */
}
/**
* Add the correct font style in Android 4.3-.
*/
dfn {
font-style: italic;
}
/**
* Add the correct background and color in IE 9-.
*/
mark {
background-color: #ff0;
color: #000;
}
/**
* Add the correct font size in all browsers.
*/
small {
font-size: 80%;
}
/**
* Prevent `sub` and `sup` elements from affecting the line height in
* all browsers.
*/
sub,
sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sub {
bottom: -0.25em;
}
sup {
top: -0.5em;
}
/* Embedded content
========================================================================== */
/**
* Add the correct display in IE 9-.
*/
audio,
video {
display: inline-block;
}
/**
* Add the correct display in iOS 4-7.
*/
audio:not([controls]) {
display: none;
height: 0;
}
/**
* Remove the border on images inside links in IE 10-.
*/
img {
border-style: none;
}
/**
* Hide the overflow in IE.
*/
svg:not(:root) {
overflow: hidden;
}
/* Forms
========================================================================== */
/**
* 1. Change the font styles in all browsers (opinionated).
* 2. Remove the margin in Firefox and Safari.
*/
button,
input,
optgroup,
select,
textarea {
font-family: sans-serif; /* 1 */
font-size: 100%; /* 1 */
line-height: 1.15; /* 1 */
margin: 0; /* 2 */
}
/**
* Show the overflow in IE.
* 1. Show the overflow in Edge.
*/
button,
input { /* 1 */
overflow: visible;
}
/**
* Remove the inheritance of text transform in Edge, Firefox, and IE.
* 1. Remove the inheritance of text transform in Firefox.
*/
button,
select { /* 1 */
text-transform: none;
}
/**
* 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
* controls in Android 4.
* 2. Correct the inability to style clickable types in iOS and Safari.
*/
button,
html [type="button"], /* 1 */
[type="reset"],
[type="submit"] {
-webkit-appearance: button; /* 2 */
}
/**
* Remove the inner border and padding in Firefox.
*/
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
border-style: none;
padding: 0;
}
/**
* Restore the focus styles unset by the previous rule.
*/
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
outline: 1px dotted ButtonText;
}
/**
* Change the border, margin, and padding in all browsers (opinionated).
*/
fieldset {
border: 1px solid #c0c0c0;
margin: 0 2px;
padding: 0.35em 0.625em 0.75em;
}
/**
* 1. Correct the text wrapping in Edge and IE.
* 2. Correct the color inheritance from `fieldset` elements in IE.
* 3. Remove the padding so developers are not caught out when they zero out
* `fieldset` elements in all browsers.
*/
legend {
box-sizing: border-box; /* 1 */
color: inherit; /* 2 */
display: table; /* 1 */
max-width: 100%; /* 1 */
padding: 0; /* 3 */
white-space: normal; /* 1 */
}
/**
* 1. Add the correct display in IE 9-.
* 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
*/
progress {
display: inline-block; /* 1 */
vertical-align: baseline; /* 2 */
}
/**
* Remove the default vertical scrollbar in IE.
*/
textarea {
overflow: auto;
}
/**
* 1. Add the correct box sizing in IE 10-.
* 2. Remove the padding in IE 10-.
*/
[type="checkbox"],
[type="radio"] {
box-sizing: border-box; /* 1 */
padding: 0; /* 2 */
}
/**
* Correct the cursor style of increment and decrement buttons in Chrome.
*/
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
height: auto;
}
/**
* 1. Correct the odd appearance in Chrome and Safari.
* 2. Correct the outline style in Safari.
*/
[type="search"] {
-webkit-appearance: textfield; /* 1 */
outline-offset: -2px; /* 2 */
}
/**
* Remove the inner padding and cancel buttons in Chrome and Safari on macOS.
*/
[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
-webkit-appearance: none;
}
/**
* 1. Correct the inability to style clickable types in iOS and Safari.
* 2. Change font properties to `inherit` in Safari.
*/
::-webkit-file-upload-button {
-webkit-appearance: button; /* 1 */
font: inherit; /* 2 */
}
/* Interactive
========================================================================== */
/*
* Add the correct display in IE 9-.
* 1. Add the correct display in Edge, IE, and Firefox.
*/
details, /* 1 */
menu {
display: block;
}
/*
* Add the correct display in all browsers.
*/
summary {
display: list-item;
}
/* Scripting
========================================================================== */
/**
* Add the correct display in IE 9-.
*/
canvas {
display: inline-block;
}
/**
* Add the correct display in IE.
*/
template {
display: none;
}
/* Hidden
========================================================================== */
/**
* Add the correct display in IE 10-.
*/
[hidden] {
display: none;
}
运行效果：
