html{
	box-sizing: border-box;
}
html{
  width: 100%;
   height: 100%;
}
body{
  height: 100%;
}
.open{
	position: fixed;
	top: 40px;
	right: 40px;
	width: 50px;
	height: 50px;
	display: block;
	cursor: pointer;
	transition: opacity 0.2s linear;
	z-index: 99999
}
.open:hover{
	opacity: 0.8;
}
.open span{
		display: block;
		float: left;
		clear: both;
		height: 4px;
		width: 40px;
		border-radius: 40px;
		background-color: #1999d8;
		position: absolute;
		right: 3px;
		top: 3px;
		overflow: hidden;
		transition: all 0.4s ease;
}
.open span:nth-child(1){
	margin-top: 10px;
	z-index: 9;
}
.open span:nth-child(2){
	margin-top: 25px;
}
.open span:nth-child(3){
	margin-top: 40px;
}
.sub-menu{
	transition: all 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
		height: 0;
		width: 0;
		right: 0;
		top: 0;
		position: absolute;
		background-color: rgba(38, 84, 133, 0.54);
		border-radius: 50%;
		z-index: 18;
		overflow: hidden;
}
.sub-menu li{
	display: block;
	float: right;
	clear: both;
	height: auto;
	margin-right: -160px;
	transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.sub-menu li:first-child{
				margin-top: 180px;
			}
.sub-menu li:nth-child(1){
				-webkit-transition-delay: 0.05s;
			}
.sub-menu li:nth-child(2){
				-webkit-transition-delay: 0.10s;
			}
.sub-menu li:nth-child(3){
				-webkit-transition-delay: 0.15s;
			}
.sub-menu li:nth-child(4){
				-webkit-transition-delay: 0.20s;
			}
.sub-menu li:nth-child(5){
				-webkit-transition-delay: 0.25s;
			}
.sub-menu li a{
				color: #fff;
				font-family: 'Lato', Arial, Helvetica, sans-serif;
				font-size: 16px;
				width: 100%;
				display: block;
				float: left;
				line-height: 40px;
			}
.sub-menu li a.lang{
	display: inline-block;
	float: none;
	width: auto;
	padding-left: 15px;
}

.oppenned .sub-menu{
			opacity: 1;
			height: 400px;
			width: 400px;
		}
.oppenned span:nth-child(2){
			overflow: visible;
		}
.oppenned span:nth-child(1), .oppenned span:nth-child(3){
			z-index: 100;
			transform: rotate(45deg);
		}
.oppenned span:nth-child(1){
			transform: rotate(45deg) translateY(12px) translateX(12px);
		}
.oppenned span:nth-child(2){
			height: 400px;
			width: 400px;
			right: -160px;
			top: -160px;
			border-radius: 50%;
			background-color: rgba(38, 84, 133, 0.54);
		}
.oppenned span:nth-child(3){			
			transform: rotate(-45deg) translateY(-10px) translateX(10px);
		}
.oppenned li{
			margin-right: 168px;
		}
.button{
	display: block;
	float: left;
  clear: both;
	padding: 20px 40px;
	background: #fff;
	border-radius: 3px;
	border: 2px solid #10a1ea;
	overflow: hidden;
	position: relative;
}
.button:after{
		transition: transform 0.3s ease;
		content: "";
		position: absolute;
		height: 200px;
		width: 400px;
		transform: rotate(45deg) translateX(-540px) translateY(-100px);
		background: #10a1ea;
		z-index: 1;
	}
	.button:before{
		transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
		content: attr(title);
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		color: #fff;
		z-index: 2;
		text-align: center;
		padding: 20px 40px;
		transform: translateY(200px);
	}
	.button:hover{
		text-decoration: none;
	}
		.button:hover:after{
			transform: translateX(-300px) translateY(-100px);
		}
		.button:hover:before{
			transform: translateY(0);
		}