HTML+CSS实现的动态背景图
HTML+CSS创建的月亮星空背景章目录
- 前言
- 一、主要用到的东西
- 二、使用步骤
-
- 1.HTML部分代码
- 2.填充样式，布局。
- 总结
前言
本篇文章是用HTML和CSS创建的星空和月亮背景动态特效，适用于小白学习（我也是小白，要是有什么错误的地方，欢迎大佬留言指正）
一、主要用到的东西
html做基本的渲染布局，css来填充样式
二、使用步骤
1.HTML部分代码
<html>
<head>
<meta charset="gb2312">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>纯CSS3夜晚天空月亮动画特效 title>
<link type="text/css" href="css/main.css" rel="stylesheet">
<link type="text/css" href="css/0001245c2.css" rel="stylesheet">
head>
<body>
<div id="e_background">
<div id="e_smallstars">div>
<div id="e_moon">div>
div>
div>
body>
html>
2.填充样式，布局。
CSS部分代码如下(0001245c2.css)：
body{
position:relative
}
#e_background{
background:#022436 url(../img/e_stars.png) repeat 20% 20%;
position:fixed;
top:0;left:0;right:0;bottom:0;
z-index:-100;
-webkit-animation:stars-anim 600s infinite linear;
-moz-animation:stars-anim 600s infinite linear;
-o-animation:stars-anim 600s infinite linear;
animation:stars-anim 600s infinite linear
}
#e_smallstars{
background:url(../img/smallstars.png) repeat 20% 20%;
position:absolute;
top:0;left:0;right:0;bottom:0;
opacity:1;z-index:-50;
-webkit-animation:light 4s infinite alternate;
-moz-animation:light 4s infinite alternate;
-o-animation:light 4s infinite alternate;
animation:light 4s infinite alternate
}
#e_moon{
background:url(../img/e_moon2.png) no-repeat 35% 35%;
position:absolute;top:0;left:0;right:0;bottom:0;
opacity:1;z-index:-25;
-webkit-animation:moon-anim 100s infinite linear;
-moz-animation:moon-anim 100s infinite linear;
-o-animation:moon-anim 100s infinite linear;
animation:moon-anim 100s infinite linear
}
@media only screen and (max-width:480px){
#e_moon{
background:url(../img/e_moon2_sm.png) no-repeat 35% 35%}
}
@media only screen and (min-width:481px) and (max-width:767px){
#e_moon{
background:url(../img/e_moon2_md.png) no-repeat 35% 35%
}
@-webkit-keyframes moon-anim{
from{
background-position:0 2%}to{
background-position:110% 2%}
}
@-moz-keyframes moon-anim{
from{
background-position:0 2%}to{
background-position:110% 2%}
}
@-o-keyframes moon-anim{
from{
background-position:0 2%}to{
background-position:110% 2%}
}
@keyframes moon-anim{
from{
background-position:0 2%}to{
background-position:110% 2%}
}
@-webkit-keyframes stars-anim{
from{
background-position:5% 600%}to{
background-position:1300% 5%}
}
@-moz-keyframes stars-anim{
from{
background-position:5% 600%}to{
background-position:1300% 5%}
}
@-o-keyframes stars-anim{
from{
background-position:5% 600%}to{
background-position:1300% 5%}
}
@keyframes stars-anim{
from{
background-position:5% 600%}to{
background-position:1300% 5%}
}
@-webkit-keyframes light{
0%{
opacity:.1}25%{
opacity:.35}50%{
opacity:.95}100%{
opacity:.2}
}
@-moz-keyframes light{
0%{
opacity:.1}25%{
opacity:.35}50%{
opacity:.95}100%{
opacity:.2}
}
@-o-keyframes light{
0%{
opacity:.1}25%{
opacity:.35}50%{
opacity:.95}100%{
opacity:.2}
}
@keyframes light{
0%{
opacity:.1}25%{
opacity:.35}50%{
opacity:.95}100%{
opacity:.2}}
CSS部分代码如下(main.css)：
@charset "utf-8";
@import url(http://fonts.useso.com/css?family=Play);
html, body, div, section, article, aside, header, hgroup, footer, nav, h1, h2, h3, h4, h5, h6, p, blockquote, address, time, span, em, strong, img, ol, ul, li, figure, canvas, video, th, td, tr {
margin: 0;
padding: 0;
border: 0;
font: inherit;
}
body {
width: 60%;
margin: 5% auto;
font-family: 'Play', sans-serif;
}
#content {
background-color: rgba(255,255,255,.5);
width: 70%;
height: 100%;
padding: 5%;
border-radius: 25px;
margin: 5% auto;
}
#content > p {
width: 90%;
padding: 10px 5px;
margin: 0 auto;
text-align: center;
}
#content h1 {
color: #cc0;
font-size: 1.4em;
font-weight: bold;
width: 90%;
padding: 5px 2.5%;
margin: 5px auto;
text-align: center;
}
#content p {
color: black;
padding: 5px;
margin: 5px;
}
/* -------------------- Mobile Style -------------------- */
@media only screen and (max-width:480px) {
body {
width: 90%;
}
#content {
width: 90%;
}
}
/* -------------------- Tablet Style -------------------- */
@media only screen and (min-width:481px) and (max-width:767px) {
body {
width: 80%;
}
#content {
width: 85%;
}
}
.btn {
color: #ccf;
display: inline-block;
padding: 6px 12px;
margin-bottom: 0;
font-size: 20px;
font-weight: normal;
line-height: 1.42857143;
text-align: center;
white-space: nowrap;
vertical-align: middle;
-ms-touch-action: manipulation;
touch-action: manipulation;
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
background-image: none;
border: 1px solid transparent;
border-radius: 4px;
text-decoration: none;
}
.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
outline: thin dotted;
outline: 5px auto -webkit-focus-ring-color;
outline-offset: -2px;
color: firebrick;
}
.btn:hover,
.btn:focus,
.btn.focus {
color: #333;
text-decoration: none;
}
.btn:active,
.btn.active {
background-image: none;
outline: 0;
-webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
}
图片也放在下面吧：
效果图如下：
总结
本人也是小白一枚，上面内容仅供学习，有问题望大佬指正。