Want to refresh the visitors when they went wrong and face to 404 not found page? Just add some clouds and make a sky for your 404 page. Following code creates some moving clouds in sky of 404 page with only using CSS and HTML.
HTML
<!-- This script got from www.devanswer.com -->
<div id="clouds">
<div class="cloud x1"></div>
<div class="cloud x1_5"></div>
<div class="cloud x2"></div>
<div class="cloud x3"></div>
<div class="cloud x4"></div>
<div class="cloud x5"></div>
</div>
<div class='c'>
<div class='_404'>404</div>
<hr>
<div class='_1'>THE PAGE</div>
<div class='_2'>WAS NOT FOUND</div>
<a class='btn' href='#'>BACK TO MARS</a><div id="bcl"><a style="font-size:8pt;text-decoration:none;" href="http://www.devanswer.com">Developers Answer</a></div>
CSS
@import url(https://fonts.googleapis.com/css?family=opensans:500);
body{
background: #33cc99;
color:#fff;
font-family: 'Open Sans', sans-serif;
max-height:700px;
overflow: hidden;
}
.c{
text-align: center;
display: block;
position: relative;
width:80%;
margin:100px auto;
}
._404{
font-size: 220px;
position: relative;
display: inline-block;
z-index: 2;
height: 250px;
letter-spacing: 15px;
}
._1{
text-align:center;
display:block;
position:relative;
letter-spacing: 12px;
font-size: 4em;
line-height: 80%;
}
._2{
text-align:center;
display:block;
position: relative;
font-size: 20px;
}
.text{
font-size: 70px;
text-align: center;
position: relative;
display: inline-block;
margin: 19px 0px 0px 0px;
/* top: 256.301px; */
z-index: 3;
width: 100%;
line-height: 1.2em;
display: inline-block;
}
.btn{
background-color: rgb( 255, 255, 255 );
position: relative;
display: inline-block;
width: 358px;
padding: 5px;
z-index: 5;
font-size: 25px;
margin:0 auto;
color:#33cc99;
text-decoration: none;
margin-right: 10px
}
.right{
float:right;
width:60%;
}
hr{
padding: 0;
border: none;
border-top: 5px solid #fff;
color: #fff;
text-align: center;
margin: 0px auto;
width: 420px;
height:10px;
z-index: -10;
}
hr:after {
content: "\2022";
display: inline-block;
position: relative;
top: -0.75em;
font-size: 2em;
padding: 0 0.2em;
background: #33cc99;
}
.cloud {
width: 350px; height: 120px;
background: #FFF;
background: linear-gradient(top, #FFF 100%);
background: -webkit-linear-gradient(top, #FFF 100%);
background: -moz-linear-gradient(top, #FFF 100%);
background: -ms-linear-gradient(top, #FFF 100%);
background: -o-linear-gradient(top, #FFF 100%);
border-radius: 100px;
-webkit-border-radius: 100px;
-moz-border-radius: 100px;
position: absolute;
margin: 120px auto 20px;
z-index:-1;
transition: ease 1s;
}
.cloud:after, .cloud:before {
content: '';
position: absolute;
background: #FFF;
z-index: -1
}
.cloud:after {
width: 100px; height: 100px;
top: -50px; left: 50px;
border-radius: 100px;
-webkit-border-radius: 100px;
-moz-border-radius: 100px;
}
.cloud:before {
width: 180px; height: 180px;
top: -90px; right: 50px;
border-radius: 200px;
-webkit-border-radius: 200px;
-moz-border-radius: 200px;
}
.x1 {
top:-50px;
left:100px;
-webkit-transform: scale(0.3);
-moz-transform: scale(0.3);
transform: scale(0.3);
opacity: 0.9;
-webkit-animation: moveclouds 15s linear infinite;
-moz-animation: moveclouds 15s linear infinite;
-o-animation: moveclouds 15s linear infinite;
}
.x1_5{
top:-80px;
left:250px;
-webkit-transform: scale(0.3);
-moz-transform: scale(0.3);
transform: scale(0.3);
-webkit-animation: moveclouds 17s linear infinite;
-moz-animation: moveclouds 17s linear infinite;
-o-animation: moveclouds 17s linear infinite;
}
.x2 {
left: 250px;
top:30px;
-webkit-transform: scale(0.6);
-moz-transform: scale(0.6);
transform: scale(0.6);
opacity: 0.6;
-webkit-animation: moveclouds 25s linear infinite;
-moz-animation: moveclouds 25s linear infinite;
-o-animation: moveclouds 25s linear infinite;
}
.x3 {
left: 250px; bottom: -70px;
-webkit-transform: scale(0.6);
-moz-transform: scale(0.6);
transform: scale(0.6);
opacity: 0.8;
-webkit-animation: moveclouds 25s linear infinite;
-moz-animation: moveclouds 25s linear infinite;
-o-animation: moveclouds 25s linear infinite;
}
.x4 {
left: 470px; botttom: 20px;
-webkit-transform: scale(0.75);
-moz-transform: scale(0.75);
transform: scale(0.75);
opacity: 0.75;
-webkit-animation: moveclouds 18s linear infinite;
-moz-animation: moveclouds 18s linear infinite;
-o-animation: moveclouds 18s linear infinite;
}
.x5 {
left: 200px; top: 300px;
-webkit-transform: scale(0.5);
-moz-transform: scale(0.5);
transform: scale(0.5);
opacity: 0.8;
-webkit-animation: moveclouds 20s linear infinite;
-moz-animation: moveclouds 20s linear infinite;
-o-animation: moveclouds 20s linear infinite;
}
@-webkit-keyframes moveclouds {
0% {margin-left: 1000px;}
100% {margin-left: -1000px;}
}
@-moz-keyframes moveclouds {
0% {margin-left: 1000px;}
100% {margin-left: -1000px;}
}
@-o-keyframes moveclouds {
0% {margin-left: 1000px;}
100% {margin-left: -1000px;}
}