前端基础学习
入门之html+css的使用
这个小案例是我大一刚学前端的html+css的练习小案例,虽然简单,但是对于当时小白的自己,也是给了我很大的成就感的哈哈哈哈,现在记录一下(找了好久才找到的,呜呜呜)
提示:以下是本篇文章正文内容,下面案例可供参考
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/* 声明字体加图标,这里要注意路径的变化 */
@font-face {
font-family: 'icomoon';
src: url('../fonts/icomoon.eot?k8x85n');
src: url('../fonts/icomoon.eot?k8x85n#iefix') format('embedded-opentype'),
url('../fonts/icomoon.ttf?k8x85n') format('truetype'),
url('../fonts/icomoon.woff?k8x85n') format('woff'),
url('../fonts/icomoon.svg?k8x85n#icomoon') format('svg');
font-weight: normal;
font-style: normal;
font-display: block;
}
body {
width: 100%;
min-width: 320px;
max-width: 640px;
/* 水平居中 */
margin: 0 auto;
font-size: 14px;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
color: #666;
line-height: 1.5;
background-color: #fff;
height: 2000px;
}
/*点击高亮需要清除 设置为transparent 完全透明*/
* {
-webkit-tap-highlight-color : trsnsparent ;
}
/* 在移动端浏览器默认的外观在ios上加上这个属性才能给按钮和输入框自定义样式 */
input {
-webkit-appearance : none;
}
/* 禁用长按页面时的弹出菜单 */
img,a { -webkit-touch-callout : none; }
a {
color: #666;
text-decoration: none;
}
ul {
margin: 0;
padding: 0;
list-style: none;
}
img {
/* 去除图片上面的空白缝隙 */
vertical-align: top;
}
.app {
height: 45px;
}
.app ul li {
float: left;
height: 45px;
text-align: center;
line-height: 45px;
background-color:rgba(0, 0, 0, 0.891);
color: #fff;
}
.app ul li:nth-child(1) {
width: 8%;
}
.app ul li:nth-child(1) img {
width: 42px;
height: 41px;
}
.app ul li:nth-child(2) {
width: 10%;
}
.app ul li:nth-child(2) img {
width: 30px;
height: 28px;
/* 让图片和文字居中对齐 */
vertical-align: middle;
border-radius: 20%;
}
.app ul li:nth-child(3) {
width: 57%;
}
.app ul li:nth-child(4) {
width: 25%;
background-color: #F63515;
}
/* 搜索 */
.search-wrap {
/* 固定定位 */
position: fixed;
overflow: hidden;
width: 100%;
height: 44px;
/* background-color: rgba(0, 0, 0, 0.904); */
min-width: 320px;
max-width: 640px;
}
.search-btn {
position: absolute;
top: 0;
left: 0;
/* background-color: pink; */
width: 40px;
height: 44px;
}
.search-btn::before {
content: '\e918';
font-family: 'icomoon';
display: block;
/* background: url(../images/菜单栏图标.gif) no-repeat; */
margin-top: 6px;
margin-left: 8px;
font-size: 24px;
color: #fff;
}
.search {
position: relative;
height: 30px;
background-color: #fff;
margin: 0 50px;
border-radius: 15px;
margin-top: 7px;
}
.jd-icon {
width: 20px;
height: 15px;
position: absolute;
left: 11px;
/* background-color:rgb(13, 255, 0); */
color: red;
font-size: 20px;
font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif
}
.jd-icon::after {
content: "";
position: absolute;
right: -10px;
top: 9px;
display: block;
width: 2px;
height: 15px;
background-color: #ccc;
}
.sou {
position: absolute;
top: 8px;
left: 50px;
width: 18px;
height: 15px;
/* background-color: red; */
}
.sou::before {
content: '\e903';
font-family: 'icomoon';
color:darkgray;
}
.search-logn {
position: absolute;
top: 0;
right: 0;
width: 40px;
height: 44px;
/* background-color: purple; */
color: #fff;
line-height: 44px;
}
.slider img{
width: 100%;
}
/* 品牌日 */
.brand {
overflow: hidden;
border-radius: 10px 10px 0 0;
}
.brand div {
float: left;
width: 33.33%;
}
.brand div img {
width: 100%;
}
/* nav部分 */
nav a {
float: left;
width: 20%;
text-align: center;
}
nav a img {
width: 40px;
margin: 10px 0;
}
nav a span {
display: block;
}
/* new模块 */
.news {
margin-top: 20px;
}
.news img {
width: 100%;
}
.news a {
float: left;
box-sizing: border-box;
margin-top: 20px;
width: 33.33%;
}
/* .news a:nth-child(1) {
width: 50%; */
}
/* .news a:nth-child(2),
.news a:nth-child(3) {
width: 25%;
} */
/* n+2就是从第2个开始 */
/* .news a:nth-child(n+2) {
border-left: red;
} */
3.normalize.css(这个是样式文件,可以在网上直接下载的)
/*! normalize.css v1.1.3 | MIT License | git.io/normalize */
/* ==========================================================================
HTML5 display definitions
========================================================================== */
/**
* Correct `block` display not defined in IE 6/7/8/9 and Firefox 3.
*/
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section,
summary {
display: block;
}
/**
* Correct `inline-block` display not defined in IE 6/7/8/9 and Firefox 3.
*/
audio,
canvas,
video {
display: inline-block;
*display: inline;
*zoom: 1;
}
/**
* Prevent modern browsers from displaying `audio` without controls.
* Remove excess height in iOS 5 devices.
*/
audio:not([controls]) {
display: none;
height: 0;
}
/**
* Address styling not present in IE 7/8/9, Firefox 3, and Safari 4.
* Known issue: no IE 6 support.
*/
[hidden] {
display: none;
}
/* ==========================================================================
Base
========================================================================== */
/**
* 1. Correct text resizing oddly in IE 6/7 when body `font-size` is set using
* `em` units.
* 2. Prevent iOS text size adjust after orientation change, without disabling
* user zoom.
*/
html {
font-size: 100%; /* 1 */
-ms-text-size-adjust: 100%; /* 2 */
-webkit-text-size-adjust: 100%; /* 2 */
}
/**
* Address `font-family` inconsistency between `textarea` and other form
* elements.
*/
html,
button,
input,
select,
textarea {
font-family: sans-serif;
}
/**
* Address margins handled incorrectly in IE 6/7.
*/
body {
margin: 0;
}
/* ==========================================================================
Links
========================================================================== */
/**
* Address `outline` inconsistency between Chrome and other browsers.
*/
a:focus {
outline: thin dotted;
}
/**
* Improve readability when focused and also mouse hovered in all browsers.
*/
a:active,
a:hover {
outline: 0;
}
/* ==========================================================================
Typography
========================================================================== */
/**
* Address font sizes and margins set differently in IE 6/7.
* Address font sizes within `section` and `article` in Firefox 4+, Safari 5,
* and Chrome.
*/
h1 {
font-size: 2em;
margin: 0.67em 0;
}
h2 {
font-size: 1.5em;
margin: 0.83em 0;
}
h3 {
font-size: 1.17em;
margin: 1em 0;
}
h4 {
font-size: 1em;
margin: 1.33em 0;
}
h5 {
font-size: 0.83em;
margin: 1.67em 0;
}
h6 {
font-size: 0.67em;
margin: 2.33em 0;
}
/**
* Address styling not present in IE 7/8/9, Safari 5, and Chrome.
*/
abbr[title] {
border-bottom: 1px dotted;
}
/**
* Address style set to `bolder` in Firefox 3+, Safari 4/5, and Chrome.
*/
b,
strong {
font-weight: bold;
}
blockquote {
margin: 1em 40px;
}
/**
* Address styling not present in Safari 5 and Chrome.
*/
dfn {
font-style: italic;
}
/**
* Address differences between Firefox and other browsers.
* Known issue: no IE 6/7 normalization.
*/
hr {
-moz-box-sizing: content-box;
box-sizing: content-box;
height: 0;
}
/**
* Address styling not present in IE 6/7/8/9.
*/
mark {
background: #ff0;
color: #000;
}
/**
* Address margins set differently in IE 6/7.
*/
p,
pre {
margin: 1em 0;
}
/**
* Correct font family set oddly in IE 6, Safari 4/5, and Chrome.
*/
code,
kbd,
pre,
samp {
font-family: monospace, serif;
_font-family: 'courier new', monospace;
font-size: 1em;
}
/**
* Improve readability of pre-formatted text in all browsers.
*/
pre {
white-space: pre;
white-space: pre-wrap;
word-wrap: break-word;
}
/**
* Address CSS quotes not supported in IE 6/7.
*/
q {
quotes: none;
}
/**
* Address `quotes` property not supported in Safari 4.
*/
q:before,
q:after {
content: '';
content: none;
}
/**
* Address inconsistent and variable font size in all browsers.
*/
small {
font-size: 80%;
}
/**
* Prevent `sub` and `sup` affecting `line-height` in all browsers.
*/
sub,
sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sup {
top: -0.5em;
}
sub {
bottom: -0.25em;
}
/* ==========================================================================
Lists
========================================================================== */
/**
* Address margins set differently in IE 6/7.
*/
dl,
menu,
ol,
ul {
margin: 1em 0;
}
dd {
margin: 0 0 0 40px;
}
/**
* Address paddings set differently in IE 6/7.
*/
menu,
ol,
ul {
padding: 0 0 0 40px;
}
/**
* Correct list images handled incorrectly in IE 7.
*/
nav ul,
nav ol {
list-style: none;
list-style-image: none;
}
/* ==========================================================================
Embedded content
========================================================================== */
/**
* 1. Remove border when inside `a` element in IE 6/7/8/9 and Firefox 3.
* 2. Improve image quality when scaled in IE 7.
*/
img {
border: 0; /* 1 */
-ms-interpolation-mode: bicubic; /* 2 */
}
/**
* Correct overflow displayed oddly in IE 9.
*/
svg:not(:root) {
overflow: hidden;
}
/* ==========================================================================
Figures
========================================================================== */
/**
* Address margin not present in IE 6/7/8/9, Safari 5, and Opera 11.
*/
figure {
margin: 0;
}
/* ==========================================================================
Forms
========================================================================== */
/**
* Correct margin displayed oddly in IE 6/7.
*/
form {
margin: 0;
}
/**
* Define consistent border, margin, and padding.
*/
fieldset {
border: 1px solid #c0c0c0;
margin: 0 2px;
padding: 0.35em 0.625em 0.75em;
}
/**
* 1. Correct color not being inherited in IE 6/7/8/9.
* 2. Correct text not wrapping in Firefox 3.
* 3. Correct alignment displayed oddly in IE 6/7.
*/
legend {
border: 0; /* 1 */
padding: 0;
white-space: normal; /* 2 */
*margin-left: -7px; /* 3 */
}
/**
* 1. Correct font size not being inherited in all browsers.
* 2. Address margins set differently in IE 6/7, Firefox 3+, Safari 5,
* and Chrome.
* 3. Improve appearance and consistency in all browsers.
*/
button,
input,
select,
textarea {
font-size: 100%; /* 1 */
margin: 0; /* 2 */
vertical-align: baseline; /* 3 */
*vertical-align: middle; /* 3 */
}
/**
* Address Firefox 3+ setting `line-height` on `input` using `!important` in
* the UA stylesheet.
*/
button,
input {
line-height: normal;
}
/**
* Address inconsistent `text-transform` inheritance for `button` and `select`.
* All other form control elements do not inherit `text-transform` values.
* Correct `button` style inheritance in Chrome, Safari 5+, and IE 6+.
* Correct `select` style inheritance in Firefox 4+ and Opera.
*/
button,
select {
text-transform: none;
}
/**
* 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
* and `video` controls.
* 2. Correct inability to style clickable `input` types in iOS.
* 3. Improve usability and consistency of cursor style between image-type
* `input` and others.
* 4. Remove inner spacing in IE 7 without affecting normal text inputs.
* Known issue: inner spacing remains in IE 6.
*/
button,
html input[type="button"], /* 1 */
input[type="reset"],
input[type="submit"] {
-webkit-appearance: button; /* 2 */
cursor: pointer; /* 3 */
*overflow: visible; /* 4 */
}
/**
* Re-set default cursor for disabled elements.
*/
button[disabled],
html input[disabled] {
cursor: default;
}
/**
* 1. Address box sizing set to content-box in IE 8/9.
* 2. Remove excess padding in IE 8/9.
* 3. Remove excess padding in IE 7.
* Known issue: excess padding remains in IE 6.
*/
input[type="checkbox"],
input[type="radio"] {
box-sizing: border-box; /* 1 */
padding: 0; /* 2 */
*height: 13px; /* 3 */
*width: 13px; /* 3 */
}
/**
* 1. Address `appearance` set to `searchfield` in Safari 5 and Chrome.
* 2. Address `box-sizing` set to `border-box` in Safari 5 and Chrome
* (include `-moz` to future-proof).
*/
input[type="search"] {
-webkit-appearance: textfield; /* 1 */
-moz-box-sizing: content-box;
-webkit-box-sizing: content-box; /* 2 */
box-sizing: content-box;
}
/**
* Remove inner padding and search cancel button in Safari 5 and Chrome
* on OS X.
*/
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
-webkit-appearance: none;
}
/**
* Remove inner padding and border in Firefox 3+.
*/
button::-moz-focus-inner,
input::-moz-focus-inner {
border: 0;
padding: 0;
}
/**
* 1. Remove default vertical scrollbar in IE 6/7/8/9.
* 2. Improve readability and alignment in all browsers.
*/
textarea {
overflow: auto; /* 1 */
vertical-align: top; /* 2 */
}
/* ==========================================================================
Tables
========================================================================== */
/**
* Remove most spacing between table cells.
*/
table {
border-collapse: collapse;
border-spacing: 0;
}
字体样式使用了icomoon网上可下载
这个小案例是大一暑假用来练习的,时间已经很久了,适合小白练习。