@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%;
  margin-top: 20px;
}
._2{
  text-align:center;
  display:block;
  position: relative;
  font-size: 20px;
  margin-top: 20px;
  margin-bottom: 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: 15px;
  z-index: 5;
  font-size: 25px;
  margin:0 auto;
  color:#33cc99;
  text-decoration: none;
  margin-right: 10px;
  cursor:pointer;
}
.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;}
}