@-webkit-keyframes sky {
    from {left: 110%}
    to {left: -30%;}
}

@keyframes sky {
    from {left: 110%}
    to {left: -30%;}
}

@-webkit-keyframes airplane {
    0% {top: 40%; left:20%;}
    25% {top: 55%; left:40%;}
    75% {top:30%; left:10%;}
    100% {top:40%; left:20%;}	
}


@keyframes airplane {
    0% {top: 40%; left:20%;}
    25% {top: 55%; left:40%;}
    75% {top:30%; left:10%;}
    100% {top:40%; left:20%;}	
}

body {
	
}
h4{
	        font-weight: 300;
    font-size: 12px;
    color: #ffffff;
    line-height: 22px;
}
h1 {
    display: block;
    font-size: 3em;
    margin-block-start: 0.67em;
    margin-block-end: 9px;
    font-weight: bold;
}

.text-center {
    position: absolute;
    color: #f3f3f3;
    margin-left: 120px;
    margin-top: 10%;
}
#neat {
    margin-top: -10px;
    display: block;
    width: 246px;
    height: 85px;
    margin: 0 auto;
    background: url(img/tuoru.png) no-repeat;
    text-indent: -99999px;
    overflow: hidden;
}
.bookmark{
        width: 26%;
    position: absolute;
    z-index: 75;
    top: 30%;
    right: 10%;
	
}

.cloud::before {
	content:"";
	display: block;
	width:5em;
	height:5em;
	border-radius: 5em;
	background-color: #C5EFF7;
	margin-left: -2em;
}

.cloud::after {
	content: "";
	display: block;
	width: 7em;
	height: 7em;
	border-radius: 7em;
	background-color: #C5EFF7;
	margin-left: 4em;
	margin-top: -6em;
}

.cloud:nth-of-type(2) {
	background-color: #E4F1FE;
	left: 70%;
	top: 30%;
	transform: rotate(180deg) skew(-20deg);
	animation: sky 7s infinite;
	-webkit-animation: sky 7s infinite;
}

.cloud:nth-of-type(2)::before, .cloud:nth-of-type(2)::after {
	background-color: #E4F1FE;
}

.cloud:nth-of-type(3) {
	top: 70%;
	left: 80%;
	animation: sky 9s infinite;
	-webkit-animation: sky 9s infinite;
}

.cloud:nth-of-type(3)::before, .cloud:nth-of-type(3)::after {
	transform: rotate(60deg) skewY(-23deg);
	width: 6em;
	border-radius: 6em;
	height: 6em;
	margin-left: -4em;
}

.cloud:nth-of-type(3)::after {
	margin-left: -1em;
	margin-top: -9em;
}

.airplane {
	position: absolute;
	width: 0;
	height: 0;
	border-top: 100px solid transparent;
	border-left: 150px solid #34495E;
	border-bottom: 100px solid transparent;
	z-index: 100;
	transform: rotate(-20deg) skew(10deg);
	top:40%;
	left:20%;
	animation: airplane 15s infinite;
	-webkit-animation: airplane 15s infinite;
}

.airplane::before {
	border-bottom: 27px solid #4B77BC;
	border-left: 45px solid transparent;
	border-right: 2px solid transparent;
	border-radius: -11px;
	height: 0;
	width: 100px;
	content: "";
	position: absolute;
	z-index: 6;
	height: 0em;
	margin-left: -10em;
	margin-top: -5px;
	transform: rotate(182deg) skewX(-35deg);
}

.airplane::after {
	border-bottom: 26px solid #34495E;
	border-left: 33px solid transparent;
	border-right: 2px solid transparent;
	height: 0;
	width: 98px;
	content: "";
	position: absolute;
	z-index: 6;
	height: 0em;
	margin-left: -9.9em;
	margin-top: -2px;
	transform: rotate(182deg) skewX(-47deg);
}